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    stefannsgirl's Avatar
    stefannsgirl Posts: 1, Reputation: 1
    New Member

    Jul 31, 2009, 11:05 AM
    Toilet backing up into tub and tub bubbles in toilet
    We have a 30 year old septic system that started acting up after we had it pumped the last time.

    The drains in the rest of the house work, but the toilet and tub do not. When we flush the toilet, it backs up into the tub and when we run water in the tub, it forces air into the toilet and makes it bubble. The water will eventually drain out of the tub but as soon as you try to run water in the tub or flush the toilet, it backs up again.

    The kitchen sink drain and the bathroom sink drain run slow but they do run.

    We have used Liquid Fire on all of the drains so I don't think it is a clog.

    My question is:
    Could the vent that runs to the roof be clogged with something? And how easy is it to clean out the vent. The vent pipe was installed when the house was built over 50 years ago. It comes goes up between walls from the basement and comes out of the roof and sticks out about 3 ft from the roof. There is no type of cover on it that we can see and Chinese Elm tree hangs over that portion of the roof.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber

    Jul 31, 2009, 11:55 AM
    Could the vent that runs to the roof be clogged with something?
    A blocked vent will not cause a backup. A clog does that. Have you opened up the house clean out and flushed a toilet or cycled the washer to see if the line fills up?
    If not then let's try to localize the problem. Before we can go much farther we have to eliminate the septic tank. Do it and get back to me with the results. Regards, tom

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