Washer Effervescent Washing Machine Cleaner Tablets Using small quantities of detergent and low-temperature wash cycles can cause gradual buildup of grease and dirt. Use these cleaning tablets to keep your machine and pipes clean and free of deposits. 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 effectively. 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. Developed to ensure thorough cleaning of your washing machine. Simply place 1 tablet into the drum and run a wash cycle. Cleans the filter and internal parts of your appliance, including the drum and pipes. Powerful formula removes sediments of dirt and detergent residue. Eliminates bad smells. Water-soluble protective film. Suitable for all washing machine brands. For best results, use 1 tablet each month.