RYDLYME Chemical Descaler Features:;- Biodegradable;- Dissolves 2.2 lbs of scale per gallon of RYDLYME;- NSF/ANSI 60 certified;- Non-hazardous, non-corrosive and safe for personnel;;RYDLYME descaler is all-encompassing and will not erode,;pit, oxidize or have other detrimental effects on materials;such as: iron, copper, rubber, stainless steel, plastic,;brass, glass, titanium, nickel and other materials;associated with water-based equipment.;;MUST SHIP VIA UPS GROUND