Sinks not draining/poor venting?
Two new under sink vents and it still is not draining my sinks, if I unscrew the air vent the sinks will suck down like a champ. I can't have a roof vent because I have a island sink, the only roof v...
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I found a similar complaint on a DIY website. I did NOT read all 5 pages to find a solution for you...but I will provide a LINK :B
