WJH1748
Aquarium Advice Apprentice
Hello, I have a Sealife 100gal w/d. There is a filter on top, then bio balls. Under that is a one carbon mesh bag. I have a Seallife 75 gal Pro Skimmer. It dumps on to a sponge. How often should I clean the sponge and the filter on top of the w/d filter? Do you do anything with the bio balls? I read the article on "Activated Carbon". The overflow has a sponge type filter on the tube also? Would more freq cleaning help my high Nitrate reading? 8O Tx WJH