Are there any canister filters that you would recommend for a 20H that are approximately the same price as an AC50/70 (i.e. around the $50 mark)? Would the AC50 provide enough filtration/is the AC70 too much filtration? Thanks!
I think that the AC70 would be great. You can reduce the flow down to 100gph if you want to. If you are going to inject co2, a cannister would probably be better, as it would not dissipate co2
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