Easily cleans grout lines! Deep cleaning thick foaming action dissolves the toughest build-up of dirt, grime, soap film, water rings, mineral deposits, hard water stains, mold and mildew without scratching or harming surfaces, and with no harsh chlorine fumes. This foaming cleaner clings to vertical surfaces making it easy to clean and rinse dirt away. Easily cleans both sealed and unsealed grout making it look like new. Restores luster to fiberglass, porcelain, ceramic, formica, stainless steel, synthetic marble, chrome, vinyl and rubber. For extra scrubbing and cleaning action, use with our Shower Track & Grout Brush (#293), Tub & Shower E-Z Scrubber (#204808), Tile Grout E-Z Scrubber (#294808), Big E-Z Scrubber (#56070), and Dual Action Microfiber Cloths (#181). Contains biodegradable cleaning agents. Contains no phosphates or chlorine bleach. (Do to the strength of this formula – do NOT use on glass, natural marble or varnished surfaces.) (When using on grout lines, pretest in an inconspicuous area, as this product may remove color pigments from some colored grout.) 20 Oz. Made in USA.