Can sponge be used as fish tank filter cotton (can fish tank filter cotton be replaced by silk cotton)

* * can't * *, sponge can't be used as fish tank filter cotton. Although ordinary sponge has a certain filtering effect, it is too slow to pass through the water, which is easy to block and has a bad effect. Filter cotton should choose materials with good filtering performance, such as silk cotton and foam sponge. These materials have porous, high specific surface area and microporous structure, which can effectively filter out harmful substances such as suspended solids, bacteria and viruses in water and are not easy to block.

In addition, according to the filtering effect of fish tank filter cotton, filter materials with sufficient filtering effect should be selected, such as activated carbon, ceramic balls and foam balls. These filter materials can effectively remove impurities and odors in water and improve water quality.