Recently, not only food businesses, but also other areas, including education, have faced more stringent requirements for disinfection. In this regard, the question arose of teaching personnel how to properly prepare working solutions of these funds and use them, keep records of consumption and the need for such funds. The recommended stock of disinfectants and detergents is at least 5 days. Of course, such tasks are extremely difficult for employees of educational institutions, but to help specialists on our portal, a service has been created for the selection of the necessary disinfectants and the calculation of working concentrations - "DISCALCULATOR", which will help you choose the right funds taking into account all the current recommendations of the RPN