Question: is drano good for dishwashers?
Answer: Drano is for clearing clogged sink, tub and shower drain pipes. Drano is for clearing clogged sink, tub and shower drain pipes. ... You should never put it in the toilet, and you definitely should never try to unclog a dishwasher drain with Drano. A dishwasher has a pump that actively flushes water out of the appliance.