the bypass avoids going completly through the membrane so no matter if the pump is on or not, the pressure drops to next to nothing anyway, sorry answered my own question, should have thought about that alittle more before posting
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- 33 Gal - 20Gal Sump, MP10/Hydor Powerheads, Aquaticlife 4x T-5HO, Vertex IN100, TLF w/Biopellets, Tunze ATO
-45GAL Build in Progress!-