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Unread 03/05/2018, 08:28 PM   #1
Trigger Tough
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Join Date: Mar 2018
Posts: 85
Flow Rate Through My Sump

So I switched out my return pump yesterday on my 70 Gallon FOWLR tank. Here’s my setup and questions. Maybe someone can help

70 Gallon Tank w/ 20 Gallon Sump
Pump: Simplicity DC 1000
Skimmer: Reef Octopus 150

I tried to use a head loss calculator for head loss. I’m getting conflicting information from the one on Reef Cerntal (the pump isn’t listed there). I’ve got 5 feet of 1” tubing going back into the tank with two 90 degree elbows. My calculations tell me I should be somewhere in between 500 and 700 GPH after head loss. Can anyone pin down a more accurate number for me?

Once we get that number nailed down what kind of flow rate should I run through the tank with the skimmer I have? I’m thinking around 350 GPH possibly? The DC 1000 is adjustable so I need to know an accurate flow rate so I can adjust it down so the skimmer works the best it can

Thanks!


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