When I had my FOWLR going in the basement I had a Barracuda Pump going as a closed loop. 4500 GPH in the tank. It was running with 1.5 " IN and Out then as I ran the piping I used a reducer to 1" and teed it off every 1ft. which aloud the pump not to have to much back pressure.
but you are looking at a high flow pump here too.
Pressure pumps can take alot of reducing in pipe after the out let when you have a pump you must deduce right after the pump.
in MAG pump it not good to reduce it causes the pump to shorten life span.
Iwaki pumps are good with reducing the out put .
You dont need alot of flow in a tank to make a difference in a tank. if you arrange the flow you can get pretty much what you want. other then having a 120 X the flow in the sps tank..
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180 starfire front, LPS, millipora
Doesn't matter how much you have been reading until you take the plunge.
You don't know as much as you think.
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