Fish tank which filter material is effective

1, filter cotton: a physical filtration filter material, it can be in the water body of coarse impurities, feces, etc. to block, so that the water body for the next step in the filtration process, while the filter cotton for the body of fibers, each of its fibers can also be cultivated a certain number of nitrifying bacteria.

2, biochemical cotton: a porous artificial sponge, its structure is similar to the foam plastic, porous interior, with a certain degree of water retention capacity. The finished product is mostly plate, you can use scissors to freely trim the shape. Biochemical cotton also has a large internal surface area. Biochemical cotton water resistance is higher than other biochemical filter media, but also a wide range of filter media, mainly to play the effect of biochemical filtration. Relative to the filter cotton is dense, not easy to damage, and much thicker, so that there is enough space to host nitrifying bacteria. And can also filter out some large foreign objects, so it can be said that the biochemical cotton is physical filtration and biochemical filtration are a kind of filter material.

3, glass ring: rich microporous water purification nitrifying bacteria and denitrifying bacteria smooth bed, and began to grow and work, the formation of an anaerobic layer inside the filter media suitable for the growth of denitrifying bacteria, the formation of oxygen-rich layer on the surface of the filter media, suitable for the growth of aerobic nitrifying bacteria, and therefore composed of a perfect combination of microorganisms to deal with water quality.