Why is it that when I let my sink run for a minute or two, water comes in my tub from the drain? - Quora
![Water and debris backing up into tub with hollow gurgle sound. Water simultaneously bubbles in toilet bowl. Anyone know why? LL can't find cause :( : r/Plumbing Water and debris backing up into tub with hollow gurgle sound. Water simultaneously bubbles in toilet bowl. Anyone know why? LL can't find cause :( : r/Plumbing](https://external-preview.redd.it/Q0xUPBOdDURDvMPE7EeQ7MrQehDnG7pDZEjXUB2whes.png?width=640&crop=smart&format=pjpg&auto=webp&s=c88ccb56ef32188766e99dcb575e74c8a815fe22)
Water and debris backing up into tub with hollow gurgle sound. Water simultaneously bubbles in toilet bowl. Anyone know why? LL can't find cause :( : r/Plumbing
![Bathtub drain too low, backing up when washer drains. What can I do? - DoItYourself.com Community Forums Bathtub drain too low, backing up when washer drains. What can I do? - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/toilets-sinks-showers-dishwashers-tubs-garbage-disposals/17443d1378672755-bathtub-drain-too-low-backing-up-when-washer-drains-what-can-i-do-piping.jpg)