Softener Mate® All Purpose Water Softener Cleaner Maintains performance of all softeners. Pro Softener Mate softener cleaner is a unique blend of chemicals formulated to remove limited iron manganese silt metal particles and organic compounds that cause softener inefficiencies. Regular use of Softener Mate softener cleaner as a maintenance program will restore the softener back to peak efficiency and maintain the life of the unit. Available in 4 oz 1 lb 1.5 lb & 5 lb sizes. Softener Cleaner Applications First Application: Dissolve 1 cup of Softener Mate softener cleaner in 1 qt. of warm water. Pour directly into brine well. (Softeners with no brine well pour directly into salt storage tank when salt level is low.) Manually regenerate softener. Repeat for heavily fouled unit. Preventative Maintenance: Add 1/4 cup (4 oz.) for every 40 lbs. of salt added to the salt storage tank. Layer to ensure a continuous dose of Softener Mate softener cleaner with each regeneration. Well Known Brand : Pro Products 4 oz / Bag