Should I remove my Canister Filter???

[MrGoodbytes]

I've heard those Sea Clones are pretty bad. The HOB Remora I have is pretty good on my 20L if you're thinking of that sort of skimmer (HOB), since you're sumpless. The canister filter could be used as a reactor like Skimmer King suggested, although it's sort of an expensive option when compared to, say, a BRS reactor. Of course, if you already have it...