Why is my sink water backing up into my dishwasher?

Why is my sink water backing up into my dishwasher?

Many dishwashers discharge drain water through the garbage disposal in the adjacent kitchen sink. If the disposal is clogged with food debris, dishwasher drain water may back up through the drain line. Fill the kitchen sink with very hot water, then remove the sink stopper and run the disposal to flush out debris.

Should there be water in the drain of my dishwasher?

Water in this area is actually perfectly normal, useful even. It’s there to keep the seals from drying up. It drains when a cycle starts and is replaced with fresh water at the end of the cycle. See the picture below for the normal amount of water that should be in this area.

Can you put Drano in a dishwasher drain?

Drano is for clearing clogged sink, tub and shower drain pipes. That’s it. You should never put it in the toilet, and you definitely should never try to unclog a dishwasher drain with Drano. When the dishwasher won’t drain, there may be something wrong with the pump.