If running your garbage disposal causes water to back up into the other sink, you may have a clog in the drain lines. You should fix this as soon as possible because food material and debris will eventually begin to smell as it sits in the drain.
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If running your garbage disposal causes water to back up into the other sink, you may have a clog in the drain lines. You should fix this as soon as possible because food material and debris will eventually begin to smell as it sits in the drain.
https://homeguides.sfgate.com/stop-disposal-backing-up-other-sink-36687.html
You are clogged up
Jim,. You have a clogged pipe in your disposal. Aloha!
You have clog or restriction further down the line. Needs to be rodded.