pistolpete
New Member
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I'm planning on breaking down my 29 gallon tall and setting a blackwater 55 gallon, I'd like to use my new-ish Fluval C3 HOB filter but I'm not sure if thats too too much flow. It seems a lot of people use canister filters but I'm not trying to make too big of an investment and I feel like that would make a stronger current? Any suggestions? I also can set up sponge filters but none of the biotope aquariums I've looked at seem like they use sponges.