Mild acid cleaner removes soap scum and scale from bathroom surfaces including plastic, porcelain, ceramic, fiberglass, floors and fixtures. 2-lt bottle makes 26 ready-to-use gallons. Authorized by USDA for use in federally inspected meat and poultry processing plants. (USDA rating C-2; for use in toilets and/or dressing rooms.) 4L2043List price: $152.95Our price: $117.66 Become a member of our supply community and you'll be notified of new products, labor-saving innovations, and special promotions tailored specifically for the U.S. Navy at SUPPLYTHENAVY.COM. Just call 1-888-622-0356 or click Get on the List!