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Carbon dioxide in the aquarium do it yourself

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CO2 for the aquarium do-it-yourself supply of carbon dioxide, carbon dioxide into the aquarium


CO2 for aquarium ways to enrich the aquarium water with carbon dioxide gas, brew, recipes, do-it-yourself assembly, useful tips, recommendations, photo-video assembly of the mash Sooner or later, any aquarist is faced with the issue of supplying CO2 (carbon dioxide) to his water body.
On the Internet you can find many articles and forums on this topic, but all of them are narrowly specific - devoted to one of the issues related to CO2. Therefore, in this article I would like to put everything together, to present the material in an easy way, focusing on those methods and methods of supplying CO2 to the aquarium that do not require cash infusions and for which only your skills and efforts are necessary. So, first things first ...
What is CO2, why is CO2 needed for an aquarium?
CO2 is a gas that is needed by aquarium plants equally, or even more, as oxygen. This is not surprising, because plants are 50% carbon. In natural - natural conditions, the concentration of CO2 in water ranges from 15-40 mg / l. But in the aquarium, this figure tends to zero, even though the fish and other inhabitants of the aquarium produce it in the process of life, but in very small quantities. The normal CO2 level in an aquarium should be 4-15 mg / l. (golden mean 5 mg / l.) What is actually achieved by the artificial supply of carbon dioxide in the aquarium. The very mechanism of CO2 consumption by plants is in the process of photosynthesis. In a nutshell, the process of photosynthesis can be described as follows: plants, when interacting with light, consume carbon dioxide and produce oxygen. From the above, we can conclude that the more CO2 there is, the more O2! What does this give? Everything is obvious:
- lush growth of plants - this time! Plants in the aquarium are beautiful and healthy, booming.
- the presence of oxygen from plants is two! Allocated additional oxygen is consumed by fish and other inhabitants of the aquarium, which can reduce the need for mechanical aeration of the aquarium, or even completely nullify it (but for this you need a lot of additional knowledge and fine-tune the aquarium's bio balance).
- in addition, using the supply of CO2 to the aquarium, you can lower the pH of the water, making it more acidic - that's three! What really like many fish. Cautions and dangers of CO2 in an aquarium!
It must be understood that carbon dioxide is not the only element involved and necessary for the growth of plants, as well as for the aquarium as a whole. On this occasion, you can give a good example: If a person breathes the purest oxygen, but does not eat, he will die.
Therefore, if we talk about aquarium plants,
then for them the formula for success is as follows: LIGHT + CO2 + FERTILIZER + TEMPERATURE At the same time, the loss of at least one element of the formula, entails the poor condition of the plants, and even death. A little more about each element: LIGHT. No matter how much CO2 in an aquarium, without light it will not enter the process of photosynthesis. Only a sufficient amount of light and CO2 favorably affect the plants and the aquarium !!! Otherwise, you just "choke" the fish! Lamp power in the aquarium is calculated based on the volume of the aquarium. For fluorescent lamps, it is 0.5-1 W per liter. FERTILIZER. Plants vital minerals, macro and micronutrients. Without them, their aquarium existence is fleeting.
TEMPERATURE. Each specific plant needs a certain temperature. And besides, the temperature affects the saturation of aquarium water CO2. The higher it is, the lower the concentration of carbon dioxide in the aquarium and vice versa.
So you can make CONCLUSION that: only the correct, balanced configuration of all components is GUARANTEE OF SUCCESS!
Otherwise, it will produce CO2 emissions - a glut of carbon dioxide and as a result, the death of aquatic organisms.
"The word hydrobionts is used because it is often found in articles on this topic and in aquaristics as a whole. The word is phillipsyvoe, but essentially means the totality of all fish, mollusks, aquarium plants, lower aquarium organisms." And one more warning: With the help of CO2, you can bring down the pH of the aquarium water (what is this pH read HERE). Small fluctuations in pH within 2 degrees during the day and at night are not terrible, but sudden drops are dangerous. Therefore, it is very important to monitor this parameter first and in case of anything, adjust the CO2 supply.
Additionally, I recommend that you read the article. AQUARIUM PLANTS: let's talk about the benefits of plants for your aquarium! You will find a lot of interesting things in it and you will learn about the life of aquarium plants.
BUT, back to CO2. So, we got the knowledge base. I think that you have put together your impression of the need for a CO2 system in an aquarium and you can safely answer the question - Is it possible to do without installing CO2 in an aquarium? It is possible, but not necessary !!!
Methods of carbon dioxide in the aquarium. Types of CO2 installations.
There are three ways or types of supplying carbon dioxide to an aquarium:
- MECHANICAL, it is balloon, it is the purchase method;
- CHEMICAL;
- INSTALLATIONS OF CONSTRUCTION;
An article on this subject is HERE! There is also a table of CO2.
In short, we can say that MECHANICAL METHOD - This is the best way: go to the store to buy the installation and according to the instructions, you apply gas to the aquarium. But - it is expensive, cumbersome and again expensive! I do not think that for one home aquarium is worth cranking. Although if you are unlimited in money and are truly keen on aquarium plants, this way is for you!

The cost of balloon CO2 installation is $ 200
CHEMICAL:
mixing reagents receive the allocation of CO2, which is fed into the aquarium. This method is the place to be, but it is more complicated than the installation of fermentation. There are also “sales” CO2 tablets.
Cost $ 9, you need to constantly buy new ones
And so we got to the easiest, cheapest way of supplying CO2 to the aquarium - it is the INSTALLATION OF CONCRETE (synonyms: system, unit of CO2, mash, mash of CO2, etc.).

In my opinion - this is the most interesting and unobtrusive way of supplying gas to the aquarium. On the Internet, there are only two drawbacks to this fermentation system:
- suitable only for aquariums up to 100-120 liters;
- it is not possible to regulate the flow of gas (cut off at night);
However, what's stopping you to put two fermentation plants? Here you have the capture volume of aquarium in 200 liters. Regarding the second item, I do not see any problems pulling the CO2 sprayer out of the aquarium at night or making the CO2 release valve. In addition, it is worth noting that such a CO2 supply system by type of mash Navryatli will overpower the aquarium with carbon dioxide. She is weak! Well, and what's more, you always watch the aquarium and in the case of something bad you can always stop the process.
There are a great number of carbon units of CO2, they all sparkle with innovation and simplicity. There are even more recipes, ingredients for the fermentation system. Below, I will definitely list all the brewing brewing recipes for the aquarium known to me, but in the meantime I offer you a step-by-step, sensible CO2 system manual for the aquarium (with photos) that you can do with your own hands. Such installation will not require from you special knowledge and efforts, any specific details and will cost you a mere penny. That is why, I recommend it to you, moreover, in our opinion, such an installation is one of the safest homemade CO2 installations.
Ok so here's a list of that
WHAT NEED

A two-liter plastic bottle of mineral water or other beverage.
Used as a main container for the mash. It is better to use a transparent bottle, so you will see the process and in the case of "unauthorized situations" respond in time, although they are unlikely to occur, if done correctly.
Cost $ 1, empty $ 0 :)

A liter bottle of juice with a wide neck. For example, from under the juice "Biola". It is used as a kind of filter, so that the beer and the accompanying biaka do not get into the aquarium. Cost $ 1.

A bottle of sports water, or rather a cap from it. It will be needed to block the mash and create a gas bubble counter. Cost $ 1.

The syringe is pyatikubovy. Used as a bubble counter. The cost of a penny.

Dropper. Sold in any pharmacy. Need as hoses and connectors for a CO2 system. Cost 0.5 $.

Silicone "aquarium". Need for a better sealing unit. The cost of $ 1.

Backpressure valve 1pc., Can be 2pcs. Sold in any pet store, designed to block the mash, and also to ensure that the water from the aquarium does not flow into the system or on the floor. Cost $ 1-2 apiece.

Spray. Kameshkovy, a sprig of mountain ash, "CO2 bell" and so on. You can do without a spray gun - by connecting or sticking a tube with CO2 into the filter. Cost 0.5 $

Adapter triple, faucets. Not necessarily, but for those who are afraid of CO2 emissions need. Sold in a pet store. It is worth one 0.15 $.

Tube or hose aquarium. It is slightly thicker than dropper hoses, it may be necessary. Worth $ 0.3 per meter.
Suckers To attach shlag submission of CO2 in the aquarium.

TOTAL: cost of the CO2 brass system
will be released at 7-8 US dollars.

STEP BY ASSEMBLY
CO2 SYSTEMS FOR THE AQUARIUM We take the cap from the sports bottle. Disconnect the white cap.

Knife cut, scraped partitions in the red part of the cap. Try to do it carefully and so that there are no tails left. Leave aside.


We take a syringe. Remove the piston. Cut off the bottom of the syringe.

We insert a back pressure valve into the syringe so that nothing flows from the syringe and the air passes into it. Check !!!


Insert the syringe into the prepared red cap from under the sports bottle as follows. The cap can be requested (optional). Fill the syringe with water. It turns out the bubble counter. With the help of it, you can determine the intensity of the gas supply to the aquarium by leaving bubbles. (it is convenient to pour water using another syringe with a needle)


Ready-made "cover-valve-counter" is screwed on a two liter bottle. Leave aside.

We take a drip. Disconnect the adapter. Immediately can be removed from the dropper supply controller. He will not need. So, if you block it, the mash will burst.


Disconnected perkhodnichok leave.
We make a hole under it in the lid from under the "Biola".

Insert the adapter into the cover.


Nearby we pierce a cover from under "Biola" with a needle from a dropper.
Make sure the needle does not clog with plastic caps.


From the bottom of the lid into the peredelok we insert the spl from the dropper to the bottom of the bottle "Biola" - to the bottom.

All adapters need to be sealed from two sides (tightness of the filter, after drying of the silicone, you can check by lowering it with water and blowing it). Fill the resulting filter with water. Like that.

We connect everything! With the help of dropper hoses.
Note!!! What is the main part of the hose goes to the filter valve with a tube, and from the needle goes the hose to the aquarium with a spray.

The CO2 system for the aquarium is ready !!! You can carry it to the aquarium.
For those, it is afraid of an overdose of CO2 in the aquarium and does not want to constantly get a sprayer. Additionally, a “trigger valve” can be incorporated into the above construction. You can insert this fragment anywhere in the system.

TRANSFER TO RECIPES
Brags for the Aquarium
Each aquarist individually selects a recipe for home brew, modernizes and varies it to fit his needs. Here is one of the common recipes - the so-called "slow mash" recipe. Works up to 3-4 weeks.
Take 150 grams of sugar. Fall asleep in a two-liter brago.

Add a quarter of a teaspoon of soda.

A little fish food

A teaspoon of fertilizer for plants.

Slice of bread.

Add the yeast. A bit - 1/4 teaspoon.
You can pre-dissolve.


Fill bragotaru with water. Leaving 4-6 cm. Up to the neck. Water is poured boiled (not hot) or filtered. I take water from the aquarium, below I will explain why. After all the ingredients are filled with water, it is not worth stirring them up, so the mash will “dry out” faster. To speed up the process of starting the work of the mash, you can additionally dilute 40-50 grams of sugar in a cup with warm water, to obtain a syrup. In another cup dilute? a teaspoon of yeast. After pouring and mixing with syrup. Pour the obtained into the bragotar (observing the distance from the neck 4-6 cm.). I recommend to do this for the first time, so as not to wait a long time for the result - when will the brag work. We close the container, cork the entire system,
drop the sprayer into the aquarium and wait for the reaction and CO2;)


The reaction and CO2 gas will go in about 8-12 hours. If up to 24 hours the gases do not go, then something is wrong - either the system is poisoning it, or something is wrong with the reagents. Check the tightness of the installation or add sugar and yeast.

Now I would like to, before giving the other recipes, talk about all the ingredients of home brew separately.
In fact, in order for the brew to work, you need sugar, yeast and water. All the rest is innovation and yeast auxiliary components.
SUGAR. You can use any, but they say that the cane is the best. The more sugar there is, the more yeast bacteria will eat. The more alcohol and CO2 will be released.
YEAST. There are bread (dry and "wet"), you can use those and those! Almost no difference. Recommend dry. There are also beer and fodder yeast. For co2 systems recommend beer.
WATER. It is necessary to clean, so that yeast bacteria do not fight with other competing "comrades", as well as bleach and other impurities. I use aquarium water for the brew; in it all the harmful substances have already disintegrated and it is most suitable for fermentation.
The remaining items are:
Soda need to neutralize acids. Makes the mash more alkaline, which prolongs its viability. Soda can not be used - this is an additional element.
Fish food and fertilizer for plants. They participate in the fermentation process - by stimulating it and feeding the yeast bacteria.
Slice of bread - also improves the fermentation process. Some throw instead of him two raisins, dried apricots and others.
AFTER HAVE DRAWN IT, RECOMMEND TO DRAIN 2/3. THE REMAINING PART IS DOWNLOADED WITH NEW INGREDIENTS.
Other CO2 recipes of the type "mash": Sugar - 40 tablespoons;
Starch - 16 tablespoons;
Soda - 13 tablespoons;
Water - 2 liters;
All ingredients are cooked in a saucepan until thickened. After it is cooled and poured into a five liter container, add 1 tablespoon of dissolved yeast to a glass of water. Performance 3 months.
Sugar -150 grams;
1 teaspoon yeast;
2 teaspoons of soda;
2 tablespoons of flour;
1.5 liters of water .;
2 l. bottle;
Efficiency 1-1.5 weeks.
10 gr. citric acid;
10 gr. drinking soda;
The ingredients are mixed in a dry state, poured into a moist (without water) bragotar. Tara sealed. Works 6-10 hours (for the whole daylight hours).
On a two-liter bottle:
Sugar 3 cups;
30 grams of gelatin;
1n l. water;
1 tbsp. drinking soda;
1 tsp of yeast;
Gelatin is soaked for one hour in 0.5 liters. water. Then add another 0.5 liters of water, add sugar, soda. Heat over low heat until completely dissolved. After cooling, the "jelly" is poured into bragohra, dissolved yeast is added on top (without stirring). Efficiency 2-4 weeks.
5 tbsp. spoons of sugar;
2 tbsp. spoons of starch;
1 tbsp. spoon of soda; ? liter of water;
1 tsp of yeast;
Dissolve sugar, soda and starch in water. Put in a water bath until thick. Next, pour over the yeast, dissolved in a glass of water. Efficiency 2-4 weeks or more, if you put more starch.
I hope there are enough recipes !!! Offer your own.
Now let's discuss how to correctly CO2 in the aquarium. Carbon dioxide should be fed into the aquarium using a spray: stone, rowan sprigs, bells, and also directly attach or insert the CO2 tube into the aeration filter. Which sprayer is better, which one to use? Choose you based on your CO2 needs.
Stone spray. Sold in any pet store. The disadvantage is that CO2 bubbles are not very small (they will be less soluble in water).
A sprig of mountain ash. Gives small bubbles, but quickly clogged.
Bell. Purchased or homemade. A cap-dome, delaying the supplied CO2.
You can combine sprayers. For example, put a dome over a stone sprayer. Bubbles reaching the surface will linger in the dome.
Where to put a CO2 sprayer in an aquarium? It is also up to you to decide, it is better to set it so that it spreads in a stream of water.
Here, by the way, a good video on the assembly of CO2 for the aquarium And finally, I wanted to talk about
RESULTS AND SIGNS OF NORMAL CO2 WORK.
- after installing CO2, after about a week, aquarium plants should be covered / bubbled with oxygen. Observed active growth of plants.
- Fish should feel great. In case of worsening of the state of health of the fish, they are deposited for 2 hours in clean water (brought to life). CO2 off. Restarting the adjusted CO2 is fed in 3-7 days.
- the appearance of algae - a sign of CO2 emissions. It is necessary to reduce the supply of carbon dioxide.
- if the pH has collapsed. One dissolved teaspoon of baking soda will raise it by 4 degrees (in a volume of 50 l. Of water).
- if a gray bloom (film) appeared on the spray gun - it is not scary. These are organisms associated with fermentation, they do not harm the aquarium. But it is better to wash the sprayer.
- How to make sure the normal level of CO2 consumption by plants.Buy and make a pH test in the morning before turning on the light and the second in the evening. Compare the results and decide whether everything is normal.
I WISH YOU SUCCESS!
It will be interesting to hear your recipes
and innovations of the generator, other tips and questions.

fanfishka.ru

CO2 for the aquarium and everything you need to know about it.

CO2 - what is it?

Sooner or later, every serious aquarist is faced with the issue of supplying CO2 to an aquarium. And not without reason. Why does he need aquarium plants? So CO2 - what is it?

We all know that aquatic plants feed primarily on carbon dioxide dissolved in water. This is CO2. In nature, plants get it from the pond in which they grow. Since the volume of water in natural water bodies is very large, its concentration in them is usually constant. But about the aquariums can not be said.

The plants quickly use all the CO2 gas from the aquarium water, and by itself, its concentration will not be restored, because the aquarium is a closed system. Even the fish contained in it will not be able to compensate for the lack of CO2, as they exhale so small of its share that it will never be enough for plants. As a result, aquarium plants stop growing.

In addition to the fact that plants stop growing due to a lack of CO2, water, in which its content is low, has an increased hardness (pH), which is detrimental to them. Even inexperienced aquarists have probably noticed that after adding plants, tap water becomes tougher than it was in an empty aquarium. This is due to the fact that carbon dioxide contributes to the appearance of carbonic acid in water, and it lowers the rigidity. That is, it is important to understand: the less CO2 in water, the higher its pH.

co2 for aquarium

Soda as a source of CO2 for the aquarium

For nano aquariums up to 20 liters, not everyone wants to contact the balloon CO2 installation. You can make a CO2 generator in Braga or soda. But you can do it easier. There is an ancient and undeservedly forgotten method of supplying CO2 — this is the use of soda water. Sparkling water is a kind of carbon dioxide concentrate already dissolved in water.

The CO2 content in the soda is usually about 5000-10000 mg / l, and after opening the bottle it tends to 1450 mg / l. If you count how much carbonated water is needed to bring the CO2 concentration in the aquarium to 10 mg / l, it turns out to be quite economical. Fresh soda needs only 20 ml per 10 l of aquarium water, which will give 10 mg / l CO2 in the aquarium. Simply in the morning to soda with fertilizers. After standing, soda can be added in large quantities, as carbon dioxide disappears.

Approximately 1 liter of soda will be enough for a 10-20 liters aquarium for a month. Any sparkling water will fit, of course, except saline. It is better to use the cheapest. They are usually made from tap water :). Greater than 10 mg / l is better not to bring the concentration of CO2 by this method.

First, it is not known how much carbon dioxide your soda contains is 5000 mg / l or 10000 mg / l. Secondly, large fluctuations in the concentration of CO2 in the aquarium are not desirable. After adding soda, the concentration will gradually decrease due to the consumption of aquarium plants. Constant fluctuations of CO2 from 10 mg / l to zero and back are not terrible. But fluctuations from 20-30mg / l to zero are much worse for balance in an aquarium.

Advantages of the method:

  • there is no need for a CO2 dissolution reactor and a bubble counter, since CO2 is already dissolved in sparkling water;
  • ease of use;
  • economical in the short term;
  • suitable for nano aquariums.

Cons method:

  • unstable concentration of CO2 in the aquarium;
  • the price of 1 gram of CO2 is the highest of the listed methods, that is uneconomical in the long run and for large-scale aquariums;
  • low CO2 supply compared to other methods.

    Some practical tips:

    For most plants, including rare and difficult, only a small CO2 feeding is sufficient; better underfeed than overfeed. Try to keep the indicator in the green zone.

    However, if you suddenly discover that the indicator has turned yellow or completely discolored, there is no reason to panic.

    co2 for aquarium

  • If there is nothing wrong with the fish, you don’t need to change the water, you can remove the bottle and send it to the refrigerator for a while, the plants will gradually absorb the excess carbon dioxide, watch the fish, indicators often go off scale in my aquariums, but not a single death of fish - for CO2 poisoning was not.

    When optimal saturation conditions are found, it makes no sense to cut off the carbon dioxide supply for the night, a small morning excess of CO2 will be selected by plants in the evening, this mode repeats daily variations in the gas composition and Ph in natural water bodies and has a beneficial effect on the growth of all plants.

    IMPORTANT: when using external filters or filters of other models as a reactor, do not in any case supply CO2 to the filter elements. CO2 should be supplied only AFTER all fillers, otherwise the microflora inhabiting the filter materials may die.

    When reloading the bottle, do not hang the free end of the tube from the edge of the aquarium - the filter pressure can drive the water over the edge and it will flow to the floor.

    If you are forgetful, I do not advise to use the clamping wheel on the dropper tube as well. If you close it for a long time during fermentation, the increased pressure inside can break the bottle.

    Do not put the bottle on the warm lamp of the aquarium - fermentation will go too intensively and will end in a short time.

    If your farm has several aquariums, I advise you to provide each of them with their own personal bottle. In my household there are different aquariums with a capacity of 150 to 400 liters, I recharge all the bottles at once, about once every 10-15 days.

  • Controls for the carbon dioxide content in the aquarium.

    To control the supply of CO2 in an aquarium, there is actually one way to measure acidity (PH) and carbonate hardness (CN), followed by determining the concentration of CO2 in water using the table Table carbon dioxide content in an aquarium (CO2, CO2). It is somewhat more convenient to do this procedure with the calculator calculator.php # j One feature is in our calculator, when entering the PH value, you need to use a decimal point as a decimal place.

    co2 for aquarium

  • Based on the same principle, the use of drop checker (QH). DF is a container, in one part of which the reference indicator solution is filled with water from KN 4, to which an indicator has been added, an analogue of the PH test. The second part of the tank is open and aquarium water flows into it. Both parts of the tank are designed in such a way that there is always an air cushion between the indicator solution and the aquarium water. A kind of "siphon vice versa."
  • When the concentration of CO2 in the aquarium water increases, a part of it goes out of it into an air cushion, leveling the partial pressure of CO2 in the water and the air above it. At the same time, CO2 is dissolved in the indicator solution, also equalizing the partial pressure. As a result, the concentration of CO2 in the aquarium water and in the indicator solution becomes the same.
  • With a change in the concentration of CO2 in the indicator solution, its pH also changes, to which the indicator responds by changing color. By its color and can be judged on the concentration of CO2. When reducing the concentration of CO2 in water, everything happens in reverse order. This is a permanent test for PH Drop Checker with your own hands (DIY CO2 Drop Checker).
  • A very convenient device with one significant drawback, until all the above processes are completed, it takes 2-3 hours, the time delay of the QH. During this time, you can put all the fish. Therefore, I would recommend using tests and a calculator at the stage of gas supply development in order to have "instant" values, and use the QH for general control in the already established mode.
    Bubble counter.
    To track the amount of CO2 entering the aquarium, a bubble counter is used - a small transparent tank filled with water and embedded into the gas supply line. CO2 passing through it is visually observed in the form of bubbles passing through the water at equal intervals from one another. Selling CO2 balloon equipment, diffusers (St. Petersburg) (fifth photo to the left, seventh photo to the right). Again, I don’t understand why to pay, when you could just as well take a drip filter for this purpose))).
  • It is advisable to put a check valve under the bubble counter, so that in the event of a gas pressure drop, the water does not flow down the tube. The check valve should also be placed in front of a rowan branch or a diffuser in the aquarium. Non-return valve in the carbon dioxide supply system for the aquarium
    -Pearling- bubble plants. A somewhat subjective method of controlling the CO2 content in an aquarium.
  • However, the fact remains that an experienced aquarist, knowing the chemical composition of the water in his aquarium and his own lighting, may well make a fairly accurate conclusion about the concentration of CO2 in the water. Moreover, different plants react to it differently.

The simplest way to supply carbon dioxide

The main element is a vessel (a two-liter plastic bottle, for example) with ordinary brew. Fermented raw materials are poured into the bottle:

  • sugar - 300 g;
  • yeast - 0.3 g

The raw material is filled with 1 liter of water, sugar is not stirred. A tube (hose) is inserted into the bottle cap at one end, and the other end of the tube is lowered into the aquarium water. With the start of the fermentation process, the released carbon dioxide is discharged to the aqua.

To prevent clot mixtures from entering the aquarium, a small plastic bottle can be tied to the main tank and 2 more tubes can be attached so that the gas and fermentation products first fall into the small tank and then into the aquarium.

This method has significant drawbacks:

  • the inability to adjust the amount of carbon dioxide supplied to the aquarium water and the instability of its supply;
  • the short duration of such a system is up to 2 weeks.

Do-it-yourself CO2 generator

For the manufacture of a working gas generator with adjustable flow will require a little more materials and labor.

The principle of the installation is the gradual supply of citric acid from one vessel to another, where there is baking soda. The acid is mixed with soda, and the CO2 released as a result of a chemical reaction enters the aquarium tank. Consider the manufacturing process of the stages of work.

co2 for aquarium

Creation of the device

Take two identical liter plastic bottles. In the caps, you must carefully drill a hole through the tree through 2 holes for the subsequent installation of tubes (hoses). One tube with a check valve connects tank No. 1 with tank No. 2.

A tee tube is inserted into the second openings of the caps, one branch of which also has a check valve. Hoses with non-return valves should be inserted into tank No. 2, and a small tap for flow control is installed on the central branch of the tee.

Required reagents

A bottle of soda water is poured into bottle No. 1 (60 g of soda per 100 g of water), and bottle No. 2 is filled with citric acid solution (50 g of acid per 100 g of water). Lids with tubes should be tightly screwed onto the bottle.

All joints and openings must be reliably sealed with resin or silicone to prevent gas leakage. The ends of the first hose must be lowered into the solutions, and the left and right tee tubes must be installed above the level of the solutions — CO2 will pass through them.

Beginning of work

To start the process of generating gas, you need to press on the bottle number 2 (with citric acid). Acid through the first hose enters the soda solution, and the reaction occurs with the release of carbon dioxide. Nozzle check valve prevents soda solution under pressure from entering tank No. 2.

The released gas passes in two directions:

  • in a bottle of citric acid, creating pressure for continuous generation,
  • in the central pipe tee, through which CO2 enters the aquarium.

By means of the faucet it is possible to regulate the gas flow. If instead of a self-made tee to use hoses from a medical dropper, then an additional counter of gas bubbles will appear, which is very convenient for creating an accurate concentration of CO2 in aquarium water.

Some owners of ornamental fish using an adapter attach the exhaust hose to the outlet of the internal filter. In this case, carbon dioxide diffuses, and it is better absorbed by plants.VIDEODo I need CO2 in the aquarium? What conditions should be in the aquarium, what would the carbon dioxide plants need?
What is an overclocked aquarium?
Find out what is the main reason why CO2 should be brought into the aquarium.
What are the options for introducing CO2 into the aquarium?
Do I need a brew on the volume of the aquarium of 200-300 liters?
What are the disadvantages of using mash in an aquarium?
Why do I need to turn on the compressor at night in the aquarium, when using mash?
Can a CO2 cylinder explode? How often do they explode?
What is the average, normal temperature for plants?
See the installation process for the CO2 system from Dennerle.

CLEANING AQUARIUM FOR BEGINNERS.

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CO2 for the aquarium do-it-yourself supply of carbon dioxide, carbon dioxide into the aquarium


CO2 for aquarium ways to enrich the aquarium water with carbon dioxide gas, brew, recipes, do-it-yourself assembly, useful tips, recommendations, photo-video assembly of the mash Sooner or later, any aquarist is faced with the issue of supplying CO2 (carbon dioxide) to his water body.
On the Internet you can find many articles and forums on this topic, but all of them are narrowly specific - devoted to one of the issues related to CO2. Therefore, in this article I would like to put everything together, to present the material in an easy way, focusing on those methods and methods of supplying CO2 to the aquarium that do not require cash infusions and for which only your skills and efforts are necessary. So, first things first ...
What is CO2, why is CO2 needed for an aquarium?
CO2 is a gas that is needed by aquarium plants equally, or even more, as oxygen. This is not surprising, because plants are 50% carbon. In natural - natural conditions, the concentration of CO2 in water ranges from 15-40 mg / l. But in the aquarium, this figure tends to zero, even though the fish and other inhabitants of the aquarium produce it in the process of life, but in very small quantities. The normal CO2 level in an aquarium should be 4-15 mg / l. (golden mean 5 mg / l.) What is actually achieved by the artificial supply of carbon dioxide in the aquarium. The very mechanism of CO2 consumption by plants is in the process of photosynthesis. In a nutshell, the process of photosynthesis can be described as follows: plants, when interacting with light, consume carbon dioxide and produce oxygen. From the above, we can conclude that the more CO2 there is, the more O2! What does this give? Everything is obvious:
- lush growth of plants - this time! Plants in the aquarium are beautiful and healthy, booming.
- the presence of oxygen from plants is two! Allocated additional oxygen is consumed by fish and other inhabitants of the aquarium, which can reduce the need for mechanical aeration of the aquarium, or even completely nullify it (but for this you need a lot of additional knowledge and fine-tune the aquarium's bio balance).
- in addition, using the supply of CO2 to the aquarium, you can lower the pH of the water, making it more acidic - that's three! What really like many fish. Cautions and dangers of CO2 in an aquarium!
It must be understood that carbon dioxide is not the only element involved and necessary for the growth of plants, as well as for the aquarium as a whole. On this occasion, you can give a good example: If a person breathes the purest oxygen, but does not eat, he will die.
Therefore, if we talk about aquarium plants,
then for them the formula for success is as follows: LIGHT + CO2 + FERTILIZER + TEMPERATURE At the same time, the loss of at least one element of the formula, entails the poor condition of the plants, and even death. A little more about each element: LIGHT. No matter how much CO2 in an aquarium, without light it will not enter the process of photosynthesis. Only a sufficient amount of light and CO2 favorably affect the plants and the aquarium !!! Otherwise, you just "choke" the fish! Lamp power in the aquarium is calculated based on the volume of the aquarium. For fluorescent lamps, it is 0.5-1 W per liter. FERTILIZER. Plants vital minerals, macro and micronutrients. Without them, their aquarium existence is fleeting.
TEMPERATURE. Each specific plant needs a certain temperature. And besides, the temperature affects the saturation of aquarium water CO2. The higher it is, the lower the concentration of carbon dioxide in the aquarium and vice versa.
So you can make CONCLUSION that: only the correct, balanced configuration of all components is GUARANTEE OF SUCCESS!
Otherwise, it will produce CO2 emissions - a glut of carbon dioxide and as a result, the death of aquatic organisms.
"The word hydrobionts is used because it is often found in articles on this topic and in aquaristics as a whole. The word is phillipsyvoe, but essentially means the totality of all fish, mollusks, aquarium plants, lower aquarium organisms." And one more warning: With the help of CO2, you can bring down the pH of the aquarium water (what is this pH read HERE). Small fluctuations in pH within 2 degrees during the day and at night are not terrible, but sudden drops are dangerous. Therefore, it is very important to monitor this parameter first and in case of anything, adjust the CO2 supply.
Additionally, I recommend that you read the article. AQUARIUM PLANTS: let's talk about the benefits of plants for your aquarium! You will find a lot of interesting things in it and you will learn about the life of aquarium plants.
BUT, back to CO2. So, we got the knowledge base. I think that you have put together your impression of the need for a CO2 system in an aquarium and you can safely answer the question - Is it possible to do without installing CO2 in an aquarium? It is possible, but not necessary !!!
Methods of carbon dioxide in the aquarium. Types of CO2 installations.
There are three ways or types of supplying carbon dioxide to an aquarium:
- MECHANICAL, it is balloon, it is the purchase method;
- CHEMICAL;
- INSTALLATIONS OF CONSTRUCTION;
An article on this subject is HERE! There is also a table of CO2.
In short, we can say that MECHANICAL METHOD - This is the best way: go to the store to buy the installation and according to the instructions, you apply gas to the aquarium. But - it is expensive, cumbersome and again expensive! I do not think that for one home aquarium is worth cranking. Although if you are unlimited in money and are truly keen on aquarium plants, this way is for you!

The cost of balloon CO2 installation is $ 200
CHEMICAL:
mixing reagents receive the allocation of CO2, which is fed into the aquarium. This method is the place to be, but it is more complicated than the installation of fermentation. There are also “sales” CO2 tablets.
Cost $ 9, you need to constantly buy new ones
And so we got to the easiest, cheapest way of supplying CO2 to the aquarium - it is the INSTALLATION OF CONCRETE (synonyms: system, unit of CO2, mash, mash of CO2, etc.).

In my opinion - this is the most interesting and unobtrusive way of supplying gas to the aquarium. On the Internet, there are only two drawbacks to this fermentation system:
- suitable only for aquariums up to 100-120 liters;
- it is not possible to regulate the flow of gas (cut off at night);
However, what's stopping you to put two fermentation plants? Here you have the capture volume of aquarium in 200 liters. Regarding the second item, I do not see any problems pulling the CO2 sprayer out of the aquarium at night or making the CO2 release valve. In addition, it is worth noting that such a CO2 supply system by type of mash Navryatli will overpower the aquarium with carbon dioxide. She is weak! Well, and what's more, you always watch the aquarium and in the case of something bad you can always stop the process.
There are a great number of carbon units of CO2, they all sparkle with innovation and simplicity. There are even more recipes, ingredients for the fermentation system. Below, I will definitely list all the brewing brewing recipes for the aquarium known to me, but in the meantime I offer you a step-by-step, sensible CO2 system manual for the aquarium (with photos) that you can do with your own hands. Such installation will not require from you special knowledge and efforts, any specific details and will cost you a mere penny. That is why, I recommend it to you, moreover, in our opinion, such an installation is one of the safest homemade CO2 installations.
Ok so here's a list of that
WHAT NEED

A two-liter plastic bottle of mineral water or other beverage.
Used as a main container for the mash. It is better to use a transparent bottle, so you will see the process and in the case of "unauthorized situations" respond in time, although they are unlikely to occur, if done correctly.
Cost $ 1, empty $ 0 :)

A liter bottle of juice with a wide neck. For example, from under the juice "Biola". It is used as a kind of filter, so that the beer and the accompanying biaka do not get into the aquarium. Cost $ 1.

A bottle of sports water, or rather a cap from it. It will be needed to block the mash and create a gas bubble counter. Cost $ 1.

The syringe is pyatikubovy. Used as a bubble counter. The cost of a penny.

Dropper. Sold in any pharmacy. Need as hoses and connectors for a CO2 system. Cost 0.5 $.

Silicone "aquarium". Need for a better sealing unit. The cost of $ 1.

Backpressure valve 1pc., Can be 2pcs. Sold in any pet store, designed to block the mash, and also to ensure that the water from the aquarium does not flow into the system or on the floor. Cost $ 1-2 apiece.

Spray. Kameshkovy, a sprig of mountain ash, "CO2 bell" and so on. You can do without a spray gun - by connecting or sticking a tube with CO2 into the filter. Cost 0.5 $

Adapter triple, faucets. Not necessarily, but for those who are afraid of CO2 emissions need. Sold in a pet store. It is worth one 0.15 $.

Tube or hose aquarium. It is slightly thicker than dropper hoses, it may be necessary. Worth $ 0.3 per meter.
Suckers To attach shlag submission of CO2 in the aquarium.

TOTAL: cost of the CO2 brass system
will be released at 7-8 US dollars.

STEP BY ASSEMBLY
CO2 SYSTEMS FOR THE AQUARIUM We take the cap from the sports bottle. Disconnect the white cap.

Knife cut, scraped partitions in the red part of the cap. Try to do it carefully and so that there are no tails left. Leave aside.


We take a syringe. Remove the piston. Cut off the bottom of the syringe.

We insert a back pressure valve into the syringe so that nothing flows from the syringe and the air passes into it. Check !!!


Insert the syringe into the prepared red cap from under the sports bottle as follows. The cap can be requested (optional). Fill the syringe with water. It turns out the bubble counter. With the help of it, you can determine the intensity of the gas supply to the aquarium by leaving bubbles. (it is convenient to pour water using another syringe with a needle)


Ready-made "cover-valve-counter" is screwed on a two liter bottle. Leave aside.

We take a drip. Disconnect the adapter. Immediately can be removed from the dropper supply controller. He will not need. So, if you block it, the mash will burst.


Disconnected perkhodnichok leave.
We make a hole under it in the lid from under the "Biola".

Insert the adapter into the cover.


Nearby we pierce a cover from under "Biola" with a needle from a dropper.
Make sure the needle does not clog with plastic caps.


From the bottom of the lid into the peredelok we insert the spl from the dropper to the bottom of the bottle "Biola" - to the bottom.

All adapters need to be sealed from two sides (tightness of the filter, after drying of the silicone, you can check by lowering it with water and blowing it). Fill the resulting filter with water. Like that.

We connect everything! With the help of dropper hoses.
Note!!! What is the main part of the hose goes to the filter valve with a tube, and from the needle goes the hose to the aquarium with a spray.

The CO2 system for the aquarium is ready !!! You can carry it to the aquarium.
For those, it is afraid of an overdose of CO2 in the aquarium and does not want to constantly get a sprayer. Additionally, a “trigger valve” can be incorporated into the above construction. You can insert this fragment anywhere in the system.

TRANSFER TO RECIPES
Brags for the Aquarium
Each aquarist individually selects a recipe for home brew, modernizes and varies it to fit his needs. Here is one of the common recipes - the so-called "slow mash" recipe. Works up to 3-4 weeks.
Take 150 grams of sugar. Fall asleep in a two-liter brago.

Add a quarter of a teaspoon of soda.

A little fish food

A teaspoon of fertilizer for plants.

Slice of bread.

Add the yeast. A bit - 1/4 teaspoon.
You can pre-dissolve.


Fill bragotaru with water. Leaving 4-6 cm. Up to the neck. Water is poured boiled (not hot) or filtered. I take water from the aquarium, below I will explain why. After all the ingredients are filled with water, it is not worth stirring them up, so the mash will “dry out” faster. To speed up the process of starting the work of the mash, you can additionally dilute 40-50 grams of sugar in a cup with warm water, to obtain a syrup. In another cup dilute? a teaspoon of yeast. After pouring and mixing with syrup. Pour the obtained into the bragotar (observing the distance from the neck 4-6 cm.). I recommend to do this for the first time, so as not to wait a long time for the result - when will the brag work. We close the container, cork the entire system,
drop the sprayer into the aquarium and wait for the reaction and CO2;)


The reaction and CO2 gas will go in about 8-12 hours. If up to 24 hours the gases do not go, then something is wrong - either the system is poisoning it, or something is wrong with the reagents. Check the tightness of the installation or add sugar and yeast.

Now I would like to, before giving the other recipes, talk about all the ingredients of home brew separately.
In fact, in order for the brew to work, you need sugar, yeast and water. All the rest is innovation and yeast auxiliary components.
SUGAR. You can use any, but they say that the cane is the best. The more sugar there is, the more yeast bacteria will eat. The more alcohol and CO2 will be released.
YEAST. There are bread (dry and "wet"), you can use those and those! Almost no difference. Recommend dry. There are also beer and fodder yeast. For co2 systems recommend beer.
WATER. It is necessary to clean, so that yeast bacteria do not fight with other competing "comrades", as well as bleach and other impurities. I use aquarium water for the brew; in it all the harmful substances have already disintegrated and it is most suitable for fermentation.
The remaining items are:
Soda need to neutralize acids. Makes the mash more alkaline, which prolongs its viability. Soda can not be used - this is an additional element.
Fish food and fertilizer for plants. They participate in the fermentation process - by stimulating it and feeding the yeast bacteria.
Slice of bread - also improves the fermentation process. Some throw instead of him two raisins, dried apricots and others.
AFTER HAVE DRAWN IT, RECOMMEND TO DRAIN 2/3. THE REMAINING PART IS DOWNLOADED WITH NEW INGREDIENTS.
Other CO2 recipes of the type "mash": Sugar - 40 tablespoons;
Starch - 16 tablespoons;
Soda - 13 tablespoons;
Water - 2 liters;
All ingredients are cooked in a saucepan until thickened. After it is cooled and poured into a five liter container, add 1 tablespoon of dissolved yeast to a glass of water. Performance 3 months.
Sugar -150 grams;
1 teaspoon yeast;
2 teaspoons of soda;
2 tablespoons of flour;
1.5 liters of water .;
2 l. bottle;
Efficiency 1-1.5 weeks.
10 gr. citric acid;
10 gr. drinking soda;
The ingredients are mixed in a dry state, poured into a moist (without water) bragotar. Tara sealed. Works 6-10 hours (for the whole daylight hours).
On a two-liter bottle:
Sugar 3 cups;
30 grams of gelatin;
1n l. water;
1 tbsp. drinking soda;
1 tsp of yeast;
Gelatin is soaked for one hour in 0.5 liters. water. Then add another 0.5 liters of water, add sugar, soda. Heat over low heat until completely dissolved. After cooling, the "jelly" is poured into bragohra, dissolved yeast is added on top (without stirring). Efficiency 2-4 weeks.
5 tbsp. spoons of sugar;
2 tbsp. spoons of starch;
1 tbsp. spoon of soda; ? liter of water;
1 tsp of yeast;
Dissolve sugar, soda and starch in water. Put in a water bath until thick. Next, pour over the yeast, dissolved in a glass of water. Efficiency 2-4 weeks or more, if you put more starch.
I hope there are enough recipes !!! Offer your own.
Now let's discuss how to correctly CO2 in the aquarium. Carbon dioxide should be fed into the aquarium using a spray: stone, rowan sprigs, bells, and also directly attach or insert the CO2 tube into the aeration filter. Which sprayer is better, which one to use? Choose you based on your CO2 needs.
Stone spray. Sold in any pet store. The disadvantage is that CO2 bubbles are not very small (they will be less soluble in water).
A sprig of mountain ash. Gives small bubbles, but quickly clogged.
Bell. Purchased or homemade. A cap-dome, delaying the supplied CO2.
You can combine sprayers. For example, put a dome over a stone sprayer. Bubbles reaching the surface will linger in the dome.
Where to put a CO2 sprayer in an aquarium? It is also up to you to decide, it is better to set it so that it spreads in a stream of water.
Here, by the way, a good video on the assembly of CO2 for the aquarium And finally, I wanted to talk about
RESULTS AND SIGNS OF NORMAL CO2 WORK.
- after installing CO2, after about a week, aquarium plants should be covered / bubbled with oxygen. Observed active growth of plants.
- Fish should feel great. In case of worsening of the state of health of the fish, they are deposited for 2 hours in clean water (brought to life). CO2 off. Restarting the adjusted CO2 is fed in 3-7 days.
- the appearance of algae - a sign of CO2 emissions. It is necessary to reduce the supply of carbon dioxide.
- if the pH has collapsed. One dissolved teaspoon of baking soda will raise it by 4 degrees (in a volume of 50 l. Of water).
- if a gray bloom (film) appeared on the spray gun - it is not scary. These are organisms associated with fermentation, they do not harm the aquarium. But it is better to wash the sprayer.
- How to make sure the normal level of CO2 consumption by plants. Buy and make a pH test in the morning before turning on the light and the second in the evening. Compare the results and decide whether everything is normal.
I WISH YOU SUCCESS!
It will be interesting to hear your recipes
and innovations of the generator, other tips and questions.

fanfishka.ru

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