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2 answers

your air vent maybe blocked go on the roof and see if you can see a blockage by looking down inside with a flash light

2007-02-10 10:04:22 · answer #1 · answered by aussie 6 · 0 0

Check and see if your upstairs toilet is flushing good and then flush some bleach down the toilet also can put it in the holding tank for awhile and then flush..

2007-02-10 10:42:20 · answer #2 · answered by Carol H 5 · 0 0

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