Submitted by 403carpenter t3_z5pkiv in DIY
JeffinGeorgia1967 t1_ixxdayr wrote
Do you have a septic tank? It may be full. My other guess is a clogged vent pipe on the roof.
403carpenter OP t1_ixxdvvw wrote
No septic tank. It’s hooked up to the city. The drains on the main floor are working fine. How would a clogged vent pipe cause the problem?
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