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gallons per hour
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  1. General Reef Discussion
    I have 340gph flow (170 per powerhead) in my 15 gal tank and it seems to be throwing everything all over the place. My shrimp is getting whipped around sometimes, and it even knocks the snails off the walls on occasion. I dont see how a small fish is going to thrive in this system. Is that too...
  2. Water movement (pumps & wavemakers)
    I have a iwaki 30RLT running my 55 gallon tank now it draws from the sump and pushes water through a mech. filter, Chem. filter, two seprate UV sterilizers then back into tank via one return its pushing about 580 gallons per hour... i want set up a return split to have two returns in opposite...
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