Green Stuff is a low pH organic salt formulation that will effectively dissolve and remove mineral deposits, soap scum and calcium stains. Its unique blend of biodegradable surfactants gives it superior cleaning and descaling properties that won't harm surfaces or equipment. Ideal for soup stations, steam tables, coffee equipment, kettles, dishwashers, glass washers, floors, wall tiles, washrooms and showers. Green Stuff is an excellent brightener for stainless steel and aluminum surfaces. It is also a great salt remover for winter abused floor surfaces. EDTA/NTA Free, Chlorine Free, Fragrance Free, Phosphate Free, Organic ingredients in this product are readily biodegradable in accordance with OECD 301 standard.