Special cleaner for tiles and washrooms, extra strong effect - active acid. Free of hydrofluoric acid. Effectively removes strong water hardness and rust deposits, greasy and oily stains of greater degree. Suitable for cleaning acid-resistant tiles, hall floors, painted surfaces, glass, rubber and plastic. Excellent alternative to hydrofluoric acid detergents. Also removes heavy industrial and oil spills, rust veil and urine stone, moss, cement, lime scale, scale, brake dust and all other common wheel spills. Forms after cleaning an active protective film with anti-soil effect on the surface. Problem solver for heavy, acid-friendly cleaning work. It is particularly suitable for brush materials, textiles (eg "Polin", "Microvel", "Sensotex") and foamed brushes (eg "Sensofil", "SoftTecs", "CarLite", etc.). The incorporated inhibitors prevent corrosive damage to brush joints and their wearers.