03-03-2010, 05:11 PM
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sooo after a few discussions on the topic ive opted to replace my tetra HOB 10, and air powered sponge filter with an aquaclear 20 HOB, as they in my experience produce the least amount of surface turbulence.
my goal is to ultimately just run the sponge filter, once the tank gets well established.. so my question is, should i ultimately upgrade the sponge filter to a hydro sponge so I can run it on a powerhead, or is the air really maybe not so bad? I know the bubbles and disruption imbalance the co2 cycle, but is it really THAT bad?