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water flow in sump

  1. General Reef Discussion
    What should the flow be in a sump with LR and a skimmer. LR to skimmer to tank or skimmer to LR to tank. I am wanting to add water volume to a 36 gal bow front, I only have about 20lb LR no room for more unless I want to just have a tank of rock. I also would be adding a skimmer and space is...
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