Simply add Calgon to each wash in addition to your usual detergent for 1) limescale prevention, 2) detergent residue and dirt removal and 3) odour elimination, to keep your washing machine clean. Calgon works to protect all vital parts of your washing machine from lime scale damage and prevent dirt residue, leaving your washing machine healthy and clothes protected in every wash and all temperatures. It not only prevents lime scale build-up in your heating element but it also works to protect your drum, pipes, hoses, pump, and all the components of your washing machine that come into contact with water. "Help your washing machine live longer with Calgon!". Set Contains: Each order comes with a single calgon box 75 tablets