GROUT-EEZ is a 2 in 1 grout that easily cuts through grease, make-up, hair spray, soap scum and anything other you will find on your floor, bathroom tile and shower grout. The Floor Guys grout and tile cleaning company terminated 20 years of job grout cleaning experience. We our grout cleaner to be the strongest and most potent grout cleaning product on the market. This product has years of testing, and has made thousands of our clients cheerful. the thousands of titillated homeowners who can now empty bathroom and kitchen tile grout without merciless scrubbing or getting on your hands and knees when you purchase our stand up grout brush. Our cleaner wo n't damage your tile. It is to use with porcelain or instrumentation tile.