Aqua Mix Grout Haze Clean-Up is a safe and effective concentrated cleaner. Formulated to make the grout clean-up process easier. Easily removes cementitious grout haze and latex additive film from tile. Can be used to remove light grout residue within the first ten days after grouting. Safe and effective for most polished and unpolished stone and tile surfaces. Covers approximately 2,400 to 4,800 square feet per coat per gallon.