Are you worried about all the chemicals in those things?KDS said:Beneficial bacteria.
What are you going to put them in? I just recently switched my canister filter over to pot scrubbers. Much cheaper and better flow.
They are just simple nylon scrubbers. No chemicals to worry about.SoldSpartan said:Are you worried about all the chemicals in those things?
I meant what kind of filter? There isn’t a lot of room in an HOB but plenty of room in most canisters and sumps. Here is a great thread on filter media. Bio Media Comparison Information | Filters and Filtration 435695SoldSpartan said:I assume that you put the Fluval Biomax in the filter compartment.