djpax
Aquarium Advice Apprentice
I have been reading about wet dry filters and how to build them. It seems that most people who have them have salt water tanks, I was thinking of making one for my 55 fresh water tank. Now my questions are: are they so much better than Canister filters and HOB filters you by at the store? what would be a good size container for my sump if i do build it? and are Bio balls that good or can i just use whatever?