can a sponge filter be a main filter for a 55g tank. for example can it be the only thing i need in the tank for filtering. will it clean the water good. i know it only has biological and mecahnicl filteration but i wll gte chemiacl so dont worry about that. Here is an example http://petsolutions.com/cgi-bin/cgiitmls?m=ThisP&p=1019.200000&l=16 and http://petsolutions.com/cgi-bin/cgiitmls?m=ThisP&p=1019.120000&l=16
Sponge Filter
- Thread starter fishlover25
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