The concentrated solution is intended for professional use. - The product should be diluted to 1% (fill the dosing cap to the desired level: 20ml for 2 liters of water). - Submerge the instruments completely in the solution. Cover them and let them act for 5 minutes. - Remove the instruments from the solution and check the absence of apparent dirt. - Brush if necessary. - Rinse abundantly with drinking water to remove any remaining product and organic dirt. - Dry the instruments and prepare them for sterilization. - The solution should be changed as soon as it is visibly dirty.