Return line size
I have been trying to figure out a line size to use for my return From looking at the calculator on this site if I use 1" line going up 6 feet with 2 elbows, I will have a total head loss of 15 Feet!. using a mag 18 which is very unnacceptable as that would reduce my flow horribly. Now 1.5" line nearly cuts out all of the frictional loss according to that calculator. and would have a head loss of 6 feet. I have a Mag 18 pump for return but the outlet is only 3/4", will using reducers to get the 1.5" line to fit on it be ok? Or does someone have a different recommendation as to what I should do, I need to have at least 1100 Gph flowing into the tank.
Thanks
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