Drinking Water Sanitation: 1ml/10Liters of water (add daily) Disinfection & Descaling of water lines: Fill lines w/solution for 3-6hrs. Flush forcefully with plenty of pre-disinfected water In the absence of birds. 50ml/Liter of water Continuously for 8-12hrs once a week In the presence of birds: 1ml/Liter of water Continuously for 8-12hrs.once a week