Limescale is no match for kilrock. Specially formulated to cling onto smooth surfaces so it can actively dissolve hardwater limescale stains, it"s ideal for shower surrounds and water drip stains, around taps, tiles and shower heads - just brush onto the stain using the brush in the cap. Safe to use on ceramic and plastic suites.(not for use on marble stone, or gold or silver-plated surfaces.) .160ml.