Inlet and outlet of filter on same end of tank?

[888fish]

If I am using a DIY PVC overflow which intakes water from the surface, does it matter if both the inlet and outlet are on the same end of the tank?

My sump is at one end of the tank with the outlet, but my inlet pvc overflow on other end having to extend out 5-6 feet. The inlet overflow can not catch up with the output of the pump (dialed down 25-30% with ball valve.) I would like to move the pvc inlet closer the the sump to increase to flow rate. I've attached a photos of my setup.

Good idea?


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[Gill Blue]

I don't see how location will affect too small of an overflow. I'd say you need a smaller pump or bigger overflow.
my overflow and return are on the same side and it works.

 

[LukeOscar]

If I am using a DIY PVC overflow which intakes water from the surface, does it matter if both the inlet and outlet are on the same end of the tank?

My sump is at one end of the tank with the outlet, but my inlet pvc overflow on other end having to extend out 5-6 feet. The inlet overflow can not catch up with the output of the pump (dialed down 25-30% with ball valve.) I would like to move the pvc inlet closer the the sump to increase to flow rate. I've attached a photos of my setup.

Good idea?View attachment 969730


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I have experienced poor circulation and high amount of dead spots by doing that with canisters. I dont know 100% if a sump would be the same. But couldnt you just make your overflow a larger diameter pipe?


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[888fish]

I was thinking about distance over time. If I cut the distance in half, the water will reach the sump faster, thus slightly increasing GPH? I have no clue.


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[LukeOscar]

I was thinking about distance over time. If I cut the distance in half, the water will reach the sump faster, thus slightly increasing GPH? I have no clue.


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Your displacing water with more water right when they mix. I dont think distance had much to do with it unless were talking about hundreds of feet


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[SickSauce]

why dont you which the output and input? the longer distance for return would lower the flow some and less distance for overflow. Or just buy a small pump.

 

[888fish]

Planning to shorten the pvc overflow distance to sump by 3 ft. I already have everything hard plumbed, so I don't wanna change the outlet and inlet too much. I'll update only if I have good news.


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[888fish]

Last night I shortened my intake pvc pipe of overflow by 1.5" + shortened distance from pvc overflow plumbing to sump by 3 ft. I have tremendous flow now with my outlet plumbing ball valve completely open.


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