Eliminate stubborn limescale buildup with the 12-Piece Limescale Cleaning Effervescent Tablets for Kettles, Coffee Machines, and Appliances. These powerful fizzing tablets dissolve calcium deposits, mineral residue, and scale in kettles, coffee makers, irons, dishwashers, and washing machines, restoring efficiency and extending appliance life. Simply drop one tablet into water, let it fizz for 10-15 minutes, rinse, and enjoy faster boiling, better-tasting beverages, and smoother operation. Eco-friendly and non-toxic, this biodegradable formula is safe for food-contact surfaces and septic systems. The 12-pack provides a full year of monthly maintenance, making it an essential for hard-water areas.