Custom BLDG Products Custom-TLGHRRAQT-3-1 Quart TLGHRRAQT-3 OT Grout Haze Remover qt, grout haze remover, premixed, mild acidic Treatment safely removes dried Portland cement grout Mortar residue from tile, concrete masonry, safe for use on colored grouts, removes hard water deposits, efflorescence Etches concrete. Features Qt, grout haze Remover, premixed, mild acidic treatment safely removes dried Portland cement grout mortar residue from tile Adds Extra shine to your product Manufactured in China Removes hard water deposits. Great for tile, concrete, and masonry. Safe for colored grouts. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.