Ef-Chlor is a broad spectrum fast acting water sterilizer brand. Drinking Water Purification ★★ Advantages : RECOMMENDED by leading control experts worldwide. COMPACT storage and transport reducing transport costs. ECONOMIC AND ACCURATE - No under or over dosing. MORE ENVIRONMENTALLY FRIENDLY. FAST DISSOLVING and ready to use quickly. STABLE tablets with 3 years shelf life ★★ DIRECTION FOR USE : For use with clouded water - Dissolve 1 Tablet in 100 Liters ( 26.40 Gallons ) of clean water. Heavily contaminated water should first be filtered or allowed to settle For use with clear water and HOUSEHOLD drinking water - Dissolve 1 Tablet in 150 Liters ( 39.62 Gallons ) of clean and clear water Wait for 30 minutes before drinking ★★ OFFICE/HOME/MEDICAL/HEALTH/VETERINARY : For Surface cleaning - Dissolve 2 Tablets in 5 Liters ( 1.32 Gallons ) of water and use the solution to the surface and equipment For Utensils - Add 1 Tablet to 2.3 Liters ( 0.60 Gallon ) of water, Stir the solution and immerse all items completely ensuring no trapped air bubbles remain in the bottle, teats and utensils