Quote:
Originally Posted by drtrash
1/4 in hole in outlet will brake drain vacuum, flow valves fail very often .
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I'm not sure that I will be able to use this method - I have in previous tanks where my return came in over the rim of the tank. In this setup the returns are drilled through the back of the tank. Right now I am using a short black PVC pipe and 45 degree angled bend to return the water into the tank. I initially didn't want to use loc-line because I just don't love the look but this is an option and I understand people use it in a way to keep the water flow at the surface and break the siphon if there is a small drop.