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Hello, I have read many different suggestions on how many GPH a UV should have going through it so I figured I would make a post about my tank to get the right answer. I have around 350-375 gallons total and I am wanting to use my UV for algae. I have a pentair 80w UV. What I have read is, I need around 1600 gph going through the UV. Does this sound correct? Another concern I have is what size pvc pipe should I use for that amount of flow?