Homemade Aquarium Biofilter

Hello dear aquarists!

Homemade Aquarium Biofilter

Today you will learn how to do homemade aquarium biofilter. I guarantee a lot of impressions and pleasure from his work. So let’s go!

What is a biofilter and for he need? Let’s start with the fact that in the water, as in the air, a lot of rubbish rotates: micro algae, food particles, scales and other suspensions that fall from the outside and pollute the water. Do you need dirt and mud in the aquarium? Right, not needed. That’s it for this and there are various Fish Tank Filters.

For those who believe in themselves and their strength, I recommend making a simple but effective homemade aquarium biofilter. That’s how smoothly we approached the process of making the filter.

To manufacture an aquarium biofilter, we need: a soldering iron, a plastic floor liter bottle of juice or water, a piece of galvanized or plastic tube (the tube diameter must be such that it fits tightly into the neck of a plastic bottle), 7-8 tablespoons of fine gravel or pebbles , a little padding, dropper and aerator (I mean compressor). Now for the job.

Take a plastic bottle and make a glass out of it: cut the top of the bottle. You will have a separate plastic “glass” and a small plastic “glass” separately. We heat the soldering iron and take our “little glass” in our hands. In this glass you need to melt the holes around the entire circumference. Best of all, if you melt two rows of parallel holes. Just poke a soldering iron quickly, otherwise the “glass” is deformed. We assume that you have coped with the task. What’s next?

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And then we take a segment of the tube and insert it into the “glass”, but not from the outside, but from the inside. If the hole is small, it can be expanded with a soldering iron: insert the base (the base of the soldering iron is a metal rod (not a tip!) That goes right after the handle) and move it around the neck in a circular motion. But again: do not overdo it, because the tube should fit in very tightly, and not loosely! When the tube passes into the neck, simply stretch it almost to the very end of the "glass": you should have the following construction – a plastic "glass" worn on a piece of tube (the tube should be just below the upper cut of the "glass").

Further. we take the resulting construction (“glass” on a stick), insert it into your plastic cup (which remains from the bottle) and push the “glass” on a stick to the bottom of the glass. Now we take the soil – pebbles or gravel – and begin to evenly pour it into the glass (not into the tube!). The soil falls to the bottom, covering the "glass". The height of the soil in the glass should be approximately 6-7 centimeters. Fill the remaining free height evenly with padding polyester.

Now we take a dropper and lower one end of it into the tube. We plug the hole in the pipe with a piece of sponge (just to fix the dropper). The other end of the dropper is connected to the compressor. We put a self-made biological "bulbulyator" in the aquarium and turn on the compressor. Hooray, everything works!

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In conclusion, I want to point out one important detail in the work of the aquarium biofilter. In the process of its work, colonies of beneficial bacteria develop in it, which neutralize harmful substances in water and soil. So, if you turn off the biofilter for several hours in a row, then this whole colony will die, and this is very bad. Therefore, if you want to let the compressor rest, turn it off for no more than an hour.