Grout Off is used to remove grout and cement stains from ceramic, porcelain, quarry, Saltillo, terracotta and other acid resistant tile and stone after grouting has taken place.
Grout Off must be diluted according to the below. No VOC (Volatile Organic Compound Formulas).
Light grout cleaning / Rust removal, dilute 1 - 30, covering 90m²
Medium grout cleaning, dilute 1 - 20, covering 60m²
Heavy grout cleaning, dilute 1 - 10, covering 30m2.