Its tough to get the water movement right, I have a Rio 2500 for returning water from my sump, I have two Rio 1100s connected to 1/2inch PVC behind my LR and coming out the bottom to keep things stirred up below the rock, and I have two Hagen Pro 4 power heads moving water, all total I think I have about 2000gph moving, some are on a wave maker some are not. I would love to have all my money back and just have two that do it all... Oh well I'd like to win the lotto too.
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