Solution: To produce mobile devices for making disinfectants on the basis of sodium hypochlorite from readily available and affordable raw materials in the very settings in which they are needed, such as health and education facilities, homes for the elderly and green markets. The company, specialized in disinfection of water, has come to the idea to adapt its existing equipment for producing disinfectants for surfaces, spaces, and hands, in various concentrations from 0.05 to 0.02%, which is in line with WHO and European Centre for Disease Prevention and Control recommendations. Only water, electricity and salt are needed for the production of disinfectant solution, making the process independent of suppliers and the devices safe for handling, given that there is no need for storage or overflow of hazardous chemicals. Also, it minimizes the need for single-use packaging. The production capacities of mobile devices could differ form 144 l/ day to 38,400 l / day, depending on the user’s needs.