Disinfecting: prepare a standard solution of 1 part to 50 parts water for all general cleaning. Heavily soiled articles should be rinsed clean before disinfection. Disinfectant solutions should always be freshly prepared. Use neat for drains, toilets, waste pipes, refuse bins etc. For washing hard surfaces, walls, floors, work tops, etc. Dilute 1 part to 100 parts water. As an air purifier and spray, dilute 1 part to 60 parts water.