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Old 05-20-2020, 07:26 PM   #6 (permalink)
hoppycalif
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Default Re: Sunsun Canister Filter Opinions

Any restriction can reduce the flow rate through a filter. Even a dirty pump rotor or the bearings, would reduce the flow rate. But, the advertised flow rate should be useful for comparing filters. I don't know what the ideal turnover time is. I have never believed it is a critical parameter. You can always get more water movement in the tank by just using a powerhead. And, I consider that to be more important.
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