Urnex Dezcal Activated Scale Remover Safe, non-toxic, biodegradable descaler For fast and effective descaling of boilers and heating elements For use with commercial coffee equipment and foodservice steam equipment Can also be used to maintain faucets, sprayheads & milk systems. Helps remove stubborn hard water deposits, scale, and calcification Use Dezcal at least once per month for regular maintenance Each packet = 1oz of powdered descaler - Single use Use at least once per month to clean, descale, and protect your coffee or espresso maker!