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More about filter media surface area - are they what they seem to be ?
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23-02-2012, 06:19 PM
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forcefeedback
Arofanatic
Join Date: Mar 2006
Posts: 150
So guys, armed with this information is there possibility in actually determining the optimum size of our bio filter? I'll be very surprise if such that you would actually require a 2 feet sump rather than a 4 feet or more version.
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