Seafood pool filter cotton
Seafood pool filter cotton typically include: ordinary white cotton filters, plus hard white cotton filters, black sponge, biochemical cotton, etc., depending on the physical and chemical environment of the role played by each are not identical, they are not the same with the use of .
Ordinary white cotton filters suitable for water environment demanding seafood pools, it is soft and fluffy, to be replaced after a single use, although it can not be reused, but it's low cost, frequent replacement of the water quality is better.
Second Hard white and black cotton filter sponge, which due to the unique physical properties can be repeated cleaning use, but the cost higher than the former, and hard white cotton filters can be cleaned 3-6 times more black reusable cleaning sponge used for a long time are not deformed, but both the water quality is not the best, because repeated use of cotton filter cleaning itself above it with dirt and impurities, and some can not afford to be cleaned.
Finally, biochemical cotton, its chemical properties with denitrifying bacteria, for it was the only aquarium sorted Nitrobacteria chemical reaction of filter material.