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    QuesUp4's Avatar
    QuesUp4 Posts: 1, Reputation: 1
    New Member
     
    #1

    Oct 2, 2012, 06:54 PM
    What would cause black soot & ammonia smell in my tub after neighbor drains there tub
    I have black soot & back up coming in my tub after my neighbor uses there tub, also a strong ammonia smell has accompanied it also. Where would the blockage be from?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
     
    #2

    Oct 4, 2012, 08:10 AM
    The blockage is downstream from your tub. This should be snaked out from the tubs overflow(see image)
    Unscrew and remove the overflow plate,(The one with the drain lever) and pull out the tub stopper. You now have a clear shot at the trap. The way you were going in through the drain it ran you square into a tee that you can't get around. Now feed the cable( 1/4" best or 3/3" with a small tip. You can rent a Ridgid K50 sink cable.) About 2' down you will run into the bend of the trap. Crank and push at the same time to work around it. Your blockage will be found in the lateral pipe going to the stack. You shouldn't have to put out more then 10 or 12 feet. I have found tub and shower clogs to be mostly hair and the worm should auger into it and pull it back. After you snake pour a few pans of boiling water down the drain. This will loosen the grease and flush the mess out into the main. Hope this helps and thank you for rating my reply. TOM
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