HG cleanser for limestone deposits is a strong concentrated detergent for removing calcium deposits and calcification from faucets, bathtubs, water and shower walls as well as for the descaling of shower bulbs not supplying more suitably. HG cleanser for limestone deposits (blue sound) also removes rust stains, urine deposits and oxidation verderame. Of course, professional cleaner for HG limestone deposits (blue sound) is safe for all materials used in the bathroom and in the toilet, like chrome, stainless steel, ceramics, enamel, glass and plastics. Depending on the degree of dirt, HG cleanser for limestone deposits (blue sound) must be used pure or diluted with water at a ratio of 1:10. Apply professional cleaner for HG limestone deposits (blue sound) with a spunga. Leave for a few minutes, then wipe with a cloth the treated surface, or rinse with water.