EG Cup Cleaner is the quick and effective way to remove tannin stains, limescale, and discolouration from mugs, cups, and teapots. Simply dissolve in hot water, soak, and rinse — stubborn tea and coffee stains disappear effortlessly. Safe for use on ceramics and most dishwasher-safe items. 175g per tub.. Removes tough tea and coffee stains quickly. Dissolves limescale and discolouration. Safe for ceramics and most cups and mugs. Easy to use — just dissolve, soak, and rinse. 175g tub — available in 1, 3, or 6 packs