This is a handy and convenient disinfectant maker that uses electrolysis to turn water and salt into sodium hypochlorite disinfectant (84 disinfectant). It s quick and efficient and the disinfectant solution can be used immediately on a variety of surfaces including food clothing and living areas. However it s important to note that the salt water after electrolysis can damage metal and skin so be sure to rinse it off immediately after spraying. Here are some additional things to keep in mind when using this product: Always follow the instructions carefully. Do not use the disinfectant solution on your skin or eyes. Store the disinfectant solution in a cool dark place. Dispose of the salt water after electrolysis according to local regulations.