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I have an RO unit, 4 stage with a separate DI teed in to allow for non-DI drinking water. I am running a 150 gpd 98% renection membrane. It works very well (750+ tds in, ~20 tds out after RO, zero after DI). The problem is it won't shut off. The ASOV (auto shut-off valve) just pulses, never actually cuts off the brine water flow. I checked and rechecked the installation, using Melevsreef.com's troubleshooting guide. I replaced the ASOV, no help. However it did change. The original did nothing ...

Hi all, I'm in the process of building a new aquarium set up, and I was wondering if anybody has every removed the ugly black overflows on the all glass aquarium magna overflow. They are just siliconed in place, and I would still have the Durso overflow in place. I just thought the tank would look much cleaner without them. Anybody have any comments or suggestions would be greatly appreciated. Thanks.