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Old 12/20/2007, 10:40 PM
JVITAL55 JVITAL55 is offline
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Join Date: Oct 2007
Location: Norridge, IL
Posts: 41
If you have a big enough pump to turn your water over 5 to 10 times per hour, you don't need the powerheads. You pump should be anywhere from 750 to 1500 gph.