Help maintain your appliance’s performance with the Afresh Washing Machine Cleaner. Designed to be used once per month, it helps penetrate, dissolve and remove odor-causing residue. It is the number-one recommended cleaner and it works better than bleach. The washer cleaning tablets can be used in all washing machines. It is also safe for your septic tank. affresh washer cleaner is easy to use. Simply place one tablet in the tub and run the machine on a normal or clean setting with hot water. It is designed to dissolve slowly throughout the entire cycle to deliver maximum cleaning power. Designed to penetrate, dissolve and remove odor-causing residue that can occur in all washing machines Specially formulated tablet dissolves slowly, lasting throughout the entire wash cycle and breaking up residue better than bleach Safe to use with Front Load Washing Machines and Top Load Washing Machines – High Efficiency (HE) and Conventional Washers Use once a month to keep your machine fresher and cleaner, Septic tank safe. Note: The date on the item is production date not expiry date.