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Hey I have a canister filter and I was wondering. How would one go about replacing the inside media. There’s ceramic and then I think it’s foam and also carbon bags. Would I replace all of it at once or slowly replace. I heard canister filters are ammonia traps and it is a three stage system as...
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what we discussed about canister filters applies to your sponge, if this is a common nano reef with rocks in the display
the bacteria on the sponge don't matter, you can remove it and never put it back if you want to. if it's not a reef display, then the sponge may be a critical surface area/