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- Apr 29, 2020
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How would I run it not on the return? Just rerun it back into the sump ? So return pump to manifold back into sump? Could I connect it to one of my 2 emergency drains to drain back into sump? I just feel like it would be recirculating the water in the sump over and over through reactors.I like to keep my manifold pump off of a return line entirely. If you are dead set on running it as a return as well. As @40g Nano suggests I would place a ball valve at the end on the return line itself to create back pressure to help feed the reactors.