SGM Safe Clean Crystals 2Lb

SGM Safe Clean Crystals is a non-fuming, odorless, and non-volatile dry powder (sulfamic acid) with select additives. When our Safe Clean Crystals are dissolved in water in the correct proportions they form an efficient cleaning solution. The crystals will remove cured grout, mortar haze, and mineral deposits, including efflorescence, from concrete, grout, masonry surfaces, ceramic, porcelain, quarry, and acid-resistant natural stones.