Why does the kitchen sink gurgle every time a toilet is flushed or the washer is run? How much will it cost to fix? I have a septic system. - Quora
![pipe - Dual kitchen sink disposal causes water to shoot up in non-disposal side, drain connection is horizontal - Home Improvement Stack Exchange pipe - Dual kitchen sink disposal causes water to shoot up in non-disposal side, drain connection is horizontal - Home Improvement Stack Exchange](https://i.stack.imgur.com/kgFcI.jpg)
pipe - Dual kitchen sink disposal causes water to shoot up in non-disposal side, drain connection is horizontal - Home Improvement Stack Exchange
![basement - Why does water come out of this pipe when my kitchen sink is running? - Home Improvement Stack Exchange basement - Why does water come out of this pipe when my kitchen sink is running? - Home Improvement Stack Exchange](https://i.stack.imgur.com/WUYjN.jpg)