Black Diamond UGC RTU Ultimate Grout Cleaner Ready to Use, 32-Ounce
Ultimate Grout Cleaner RTU is an acid free, labor-saving grout and tile cleaner. This penetrating deep cleaner removes grease, dirt and oil that other cleaners leave behind. Safe to use on colored grout. Can clean even the dirtiest grout without creating acid damage. Just spray on grout and let stand for 1-3 minutes. Agitate with brush to loosen embedded soil and rinse with clean water.