The Calgon Powerball 3in1 tablets are designed to protect your washing machine from the damaging effects of limescale. By adding one tablet alongside your usual detergent in the machine drawer for every wash, you can prevent residue buildup and stop unpleasant odors from developing inside the drum. These tablets are suitable for use with all types of fabrics and contain polycarboxylates to ensure a thorough cleaning process. This small pack of 8 pieces, weighing 104 g, is a practical choice for those looking to maintain their appliance's efficiency and keep their laundry smelling fresh.