Effectively removes scale and soap deposits in water closets. Ideal for cleaning swimming pools, toilets and showers. In case of stubborn scale and limestone deposits, the product should be applied in concentrated form to the surface and left to stand for at least 5 minutes, then rinsed thoroughly with clean water. Repeat the operation if necessary until the surface is clean. If used regularly, the product will provide adequate cleaning results even if diluted to 0,5-5%. PH:1-2