Immediately removes limescale and urine deposits from the toilet cistern and toilet bowl, ideal for cleaning stoneware such as tiles, garden slabs, interlocking stones, balconies, exposed bricks, concrete structures, wells, water walls, dissolves deposits such as plaster, cement, urine stone and rust without leaving any residue, Highly effective; Dissolves at least 50% more lime than comparable sanitary descalers, compatible with metal and safe, without hydrochloric acid, without stinging fumes Tip: Use the vepocalc WC descaler + rust remover that sticks to vertical areas to prevent deposits under the rim of the toilet