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UHG!!

Well - I installed a Decolav pop-up mushroom drain. Didn't work at all. Everything is still slow. However I think that part of the problem is the trap piping. AFTER the P-TRAP, the...

Awesome, this is what I was hoping to hear, not having to bother with an AAV.
I'm planning on ordering a push-button or pop-up mushroom drain for the non-overflow basin. (That way I won't need a...

I too have the same problem.
Basin sink with no overflow drains really slowly (and passes the straw test).

So far I've heard that yes, an Air Admittance Valve will work, and no it won't. Which...