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Recent content by bif24701
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No, the filters provide 02 to the nitrifying bacteria in the filter, by bringing in water from the tank and the water flows around the Bio Max then back to the tank.
Neither make any noise, their pump are not very power full, it will depend on how high the return has to fall, my 70 return is the same level as the water. For me is the same.
I love the AC70, really good flow. I have a 70 and a fluval 305 on a 36 gallon bow, with a powered. IMHO, a AC 110 or two 70s. You could just get the one 70 then a second later.
You could put a second pump online on the return line, I feel that's a good way to keep oxygen levels high in a canister filter. For flow I would get a propeller type of power head like an MP10 or 40.