Frigidaire ReadyClean Dishwasher Cleaner Tablets reduce odor and removes food remnants, grease, and grime to help keep your kitchen and dishwasher fresh. Each easy- to-use tablet is formulated with advanced probiotic technology that provides a continuous clean in those hard to reach spaces, for up to one month of long lasting freshness. ReadyClean Dishwasher Cleaner Tablets are powerful and effective at reducing odor and cleaning the surface, and work better than the leading competitor. This cleaning tablet is made with some natural ingredients and delivers strong performance. Effective for use in all dishwashers. Contains 6 tablets for about 6 total months of cleaning power. It is recommended to use one tablet per month.