03-01-2007, 05:40 PM
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Originally Posted by goldfishboy
hi, i'm no expert but I think the turnover is the amount of water that will filter/pass through it over a given length of time... prob an hour, depending on how they measured it.
so if your filter is 5 gall per hour it should filter all the water in your 20 gal tank in 4 hours
Im not saying the water will be clean after 4 hours but it should of gone through about once
I hope i'm correct, if not i'm sure somebody else will correct me
Almost :), 1 turn over rate means the whole tank capacity is filtered in an hour, 2 turnover rate the whole tank capacity is filtered twice in an hour, so if a 20 gallon tank with a turnover rate of 5, the whole tanks capacity is filtered 5 times in 1 hour