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What is wrong if the sink backs up every time I use the garbage disposal?

asked by YourREbroker (13)

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Tags:  diy  kitchen

answers

You probably have a clog somewhere... my guess is that the clog is right after the garbage disposal. You might have to remove the disposal, and clean out the drain pipe right after that. A small hand snake will probably be enough to get the drain really clean.

5 votes

When you use the disposer it forces the water out faster than normal. If the drain for both sinks is partially clogged the water from the diposer comes into the tee faster than it can go down so it backs up into the other sink. Check the U trap below.

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posted by Toddthe (59)
4 votes

You must have a clog in the garbage disposal or the drain pipe. See if you can pull anything out by hand, if not, then you could try to plunge the drain to the garbage disposal. If you have a double sink, seal the other drain or have someone block it closed with a towel.

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posted by Laura14 (38)
  • I know this is obvious, but if you ever stick your hand in the garbage disposal, don't just turn off the switch, but UNPLUG the disposal. The thought of it accidentally turning on while your hand is in there just creeps me out.
    posted by onecrore (182)
4 votes

If your sink only backs up after you use the garbage disposal, the problem might be with the garbage disposal. It might be leaving some stuff in there, clogging it.

2 votes

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