Are closed loops *really* a cheap alternative? Seems to me when you start getting into the >2000gph range, the DC drive motors (Tunze, Korallia, Vortech, etc. etc. e-i-e-i-o) edge out the inline pumps...
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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