Fish and other creatures living in aquariums, are able to eat not only the food that the owner buys and pours into the water, but also the flora that grows in the aquarium. To prevent such plants from fading, they also need to eat something.
The optimum for this is carbon dioxide, which is dissolved in water. But in a closed space, water quickly loses it.
Therefore, it makes sense to make a CO2 generator for the aquarium with your own hands.
Quite often, such systems are assembled that are capable of delivering carbon dioxide to aquarium water. Often they have many uses that are not limited to this. They participate in many processes, for example:
- Oxygen production. In addition to nutrients, plants in the process of photosynthesis can supply water with this substance. Thus, the fish that live in the aquarium, will breathe normally and will not die from lack of oxygen.
- PH control. Acidity increases slightly, thereby reducing its rate. This creates much more acceptable conditions for the normal functioning of all living things inside.
It should be noted that it is impossible to completely shift the work of saturation of water with oxygen on plants. At night, in the absence of sunlight, which is necessary for the formation of glucose from carbon dioxide, the process will not start.
Therefore, an aerator is necessary – a mechanism that can automatically supply air to the water, after which some oxygen will dissolve in it and not allow the living creatures to die inside.
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In addition, in the dark, plants instead of generating O2 absorb it, causing a reverse reaction in their cells. When it is emitted, carbon dioxide and water, and therefore, the need for the delivery of the respiratory mixture increases even more.
For all processes to occur correctly, you need a certain minimum number of carbon dioxide molecules in the water. Despite the fact that the inhabitants of the aquarium in the process of life also emit this gas, its quantity is absolutely not enough for the flow of photosynthesis.
Therefore, it is worth knowing how large the concentration of gas should be, so as not to over-water it. This will not lead to anything good, since during the night oxygen starvation can occur in living beings.
The indicator depends on the volume of the aquarium, but at the same time obeys the law, under which you can derive its average value. It is 2-10 milligrams per liter.
For standing bodies of water, indicators can also be normal at 30, but this is all too individual.
First of all, you need to know in what conditions the plants that were planted lived. If their usual state is a light or almost absent flow, then you can add more carbon dioxide and not be afraid of overspending.
If they appear only in waters with a tangible course, then you can reduce the dose and nothing terrible will happen.
The minimum allowable value is 3-5 milligrams, so normal for home conditions 1 mg is unacceptable.
In order to choose the best option, you should know about all available. Each of them differs both in its complexity and in price for the use and subsequent operation of the installation. If the task is to make a CO2 generator for the aquarium with your own hands, do not hope for a much cheaper process.
Especially if you use a more reliable, durable and automated way.
So, the supply of carbon dioxide to the aquarium can be done in the following ways:
- Using a fermentation system. In this case, the owner will only need to supply the self-made installation with reagents for the continuous release of carbon dioxide.
- Regular administration of CO2 containing products. The method is effective, but requires the construction of the schedule and its exact observance.
- Supply of gas cylinder under high pressure. If such a device is equipped with an automatic valve, human participation will be minimized.
- Use of soda water. A regular bottle bought at the store can provide the entire tank with nutrient for a long time.
The latter method, of course, does not pretend to be more effective, but despite this, an ordinary bottle of water is a fairly serious source of carbon dioxide.
CO2 supply to the aquarium using this reaction can help aquarists with a limited budget, since neither expensive components nor complex reagents are used here. All that is needed is to assemble several components:
- Sugar – about 300 grams.
- Yeast – less than a gram, it is better to stick to the ratio of 1: 1000 and take the amount based on the weight of sugar. In this case, they should be 0.3 grams.
- Water – 1 liter, shaking the mixture is not allowed.
- Plastic bottle with a volume of one and a half liters.
- The tube is of sufficient length.
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