Weird things are happening with one of my toilets. I live in a house with two roommates and three toilets. One of my roommates lives downstairs and has been having weird things happen with his toilet. Whenever someone upstairs flushes a toilet, the one downstairs stairs "bubbling." The water in the one downstairs starts frothing and bubbling up, kinda like a water fountain. No actual bubbles, the water just starts to "act up." Anyone know whats going on?
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