For routine maintenance or minor buildup, you can clean the hose without detaching it using household ingredients. How to Unclog a Dishwasher Drain in 5 Steps - Whirlpool
Follow this guide to clean your dishwasher drain hose, whether you want a quick refresh or need to tackle a serious clog. Signs Your Drain Hose Needs Cleaning how to clean the drain hose on a dishwasher