What could cause the downstairs toilet in the middle of the house to bubble (and sometimes make the water disappear) when someone takes a shower upstairs all the way at the far side of the house?
Info - 2004 house w/septic (not full)
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2Sounds like vent/s is blocked. Does this happen only with use of the shower, or with other fixtures also?– RMDmanCommented Jan 17, 2023 at 12:53
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1 Answer
That's a venting problem - either clogged vents, (inclusive of stuck mechanical vents and pipe type vents with obstructions) or built wrong in the first place with inadequate venting.
answered Jan 17, 2023 at 13:35
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Thank you. That is what my research has come up with too. I can't find a plumber who fixes that. They want to snake my toilet. Commented Jan 22, 2023 at 15:24