Water coming up from shower drain

Discussion in 'Shower & Bathtub Forum & Blog' started by ofabiano, Dec 30, 2009.

  1. ofabiano

    ofabiano New Member

    Dec 30, 2009
    I have water coming up from shower drain when turning on bathroom sink and it only takes a few seconds for this to happened. Water does drain but very slowly. I've used all of a 25ft snake a few times on the shower and sink drains but still have problem. Did get some hair but not a lot.

    Before purchasing the snake I tried blowing air through the shower drain but water came up through the sink and there was chunks of soap scum and hair.
    I did this again after using the snake and this time it was cleaner.

    Should I use snake a few more times or should I buy a longer snake? Or is there a bigger problem?


    The toilet in the bathroom works fine.
  2. CountryBumkin

    CountryBumkin Active Member

    Sep 4, 2009
    Orlando, FL
    I had this happen to me. the problem was in the main sewer line exiting the house (well downstream of the bathroom). It was partially clogged. Since the shower drain is the lowest point in my house plumbing that is where the water backed up when there was more water going into the sewer line than was able to leave. I thought my septic tank was full so I called a professional. Turned out the line exiting the house was clogged with fat/grease.
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  4. Gary Swart

    Gary Swart In the Trades

    Sep 1, 2004
    Yakima WA
    You're on the right track, but you're sending a boy to do a man's job.:D The snake you are using may very well be too short, but it is also very possible that the diameter is too small and is just poking a hole through the clog. This is the time DIY usually isn't going to cut it. You need a plumber who has the 3/4" snake with a large cutting head to auger the drain. A plumber will run the snake all the way to the sewer main/septic tank. Most of the pros on this forum advise you call a plumber who does not have "Rooter" in the company name although there are probably some of them who will do a good job, there are some flakes.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    Unless you bathroom is larger than one in the Waldorf-Astoria, a 25 foot snake is at least twice as long as necessary, IF it is being used properly. WE cannot tell why the drain is still plugged, but it is.
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