| 摘要 |
The present invention relates to a liquid additive product comprising at least one acid, intended, in combination with the water contained in a toilet flush cistern of a WC, to constitute an agent for treating polluting elements contained in the cistern, characterized in that the viscosity of said additive product is less than 500 mPa.s; wherein this acid is an organic acid, the concentration of which is at least equal to 30% by weight. It also relates to a treating agent consisting of said additive product and the water contained in said cistern; wherein the concentration of this additive product, in the water of said cistern, is between 100 ppm and 1000 ppm. |
