Durgol 0296 Universal Multipurpose Descaler/Decalcifier, 16.9 Fluid Ounce Bottle Blue 1-16.9 ounce bottle; multipurpose decalcifier for countless use on household items For use on coffee machines, ceramic tiles, faucets, irons and more Powerful and effective removal of lime and calcium build-up Food safe; leaves no chemical residue after rinsing; works 5 to 10 times faster than other brands Environmentally safe; 100% recyclable PET bottles; made in Switzerland