While I take good care of my tanks, I do not do everything I need to do to maintain a low nutrient system. One thing I do though, is I add KZ Sponge power to my tank to help promote better sponge growth. When I move rock the under sides are usually covered in sponge. Because of this (and other small things) my tanks are bright and colorful, with excellent growth.
I have always heard and believed sponges to be excellent biological filters. Reading an article like this reaffirms this. Nice article.
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