FORLUX SF 501 Clean Grout Preparation for thorough cleaning of joints Capacity 5 liters Highly concentrated liquid for basic cleaning of joints. The preparation works immediately and does not require scrubbing pH 1 The product is recommended for public use facilities: hospitals, hotels, restaurants, offices, research facilities, universities. For catering establishments, small and medium-sized companies. . e.t.c. . Cleaning joints: before using the SF101 preparation, moisten the dirty joint with water, then pour the diluted preparation in a 1:1 concentration with water; in the case of very difficult dirt, use an appropriately high concentration. Wait about half a minute, collect the dissolved dirt, and then rinse the washed surfaces thoroughly with water to neutralize them. Strong liquid concentrate for removing all types of mineral deposits and for thorough cleaning of joints. Safe for acid-resistant steel surfaces, tiles, ceramics, glass and plastics. Do not use on enamels, galvanizing and non-ferrous metals. Preparation for professional use. Composition: Inorganic acids 15-30%, non-ionic surfactants