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    chimomma's Avatar
    chimomma Posts: 1, Reputation: 1
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    #1

    Sep 25, 2013, 07:27 AM
    Upstairs sinks extremely slow to drain
    Hi there!

    We have a 2-story house with 2 bathrooms upstairs (one with double sinks). All 3 upstairs sinks (MB1, MB2, UB) have suddenly become very slow to drain (at least 20 minutes for half a bowl full of water), one toilet became clogged, and one overflowed without reason. The master bath is the one with double sinks (MB1 and MB2). We haven't used MB2 consistently for over a year because of a small leak under the cabinet, but have tried recently & it too is not draining. When water is run in the other upstairs sink (UB), MB1 gurgles. And we've noticed that MB2 will back up, but haven't noticed when that occurs.

    Both upstairs showers seem to be fine. And all of the downstairs plumbing seems to be working normally - bathroom sink, toilet, laundry, dishwasher, kitchen sink. The toilet issues may be just be poor timing, but the upstairs sinks are definitely the main problem.

    Any thoughts or suggestions? We were out of town for a few days (less than a week) and the trouble seems to have started when we returned. Likely coincidence, but thought it was worth mentioning.

    Thank you!
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Sep 25, 2013, 12:27 PM
    Sounds like a clogged line. Since the toilet water level is lower than the sink it backs into the toilet. Since we don't have a plumbing diagram of your house it's tough to tell you where to start. However, I would find the main drain for the sinks and have someone auger it out. Sink lines are notorious for hair clogs. They can usually be cleaned out through the trap arm.
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