A great resource to add to your water if your source is unknown, or full of bacteria. One tablet will disinfect approximately one quart of water 50 tablets in each bottle Not to be used on a continuous basis For short term or limited emergency use only Treats up to 25 quarts total Easy to use No unpleasant taste Iodine-based compound (no chlorine) E.P.A. Reg. No. 79533-1-37257 E.P.A. Est. No. 79533-WI-1 Shelf life: Unopened - 4 years from manufacture date Opened - 1 year from date of opening, or if they start to dis-color. IMPORTANT NOTICE: It is a violation of Federal law to use this product in a manner inconsistent with its labeling. DIRECTIONS: Add 2 tablets to 1 quart, or 1 liter of water and cap loosely to allow a small amount of leakage. Wait 5 minutes. Shake container to allow screw threads on the closure to be moistened, then tighten cap. Wait 30 minutes before drinking. RECAP BOTTLE TIGHTLY. KEEP TABLETS DRY STORAGE & DISPOSAL: Store in a cool dry place. If empty, do not refill or reuse, this is a Nonrefillable container. Place in trash or offer for recycling if available. If partly filled: Call your local solid waste agency for disposal instructions. WARNING: Avoid eye contact. Will cause severe irritation to eyes and mucous membranes. If in eyes: Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eye. Harmful if swallowed. Wash hands thoroughly with soap and water after handling and before eating, drinking, chewing gum, or using tobacco. If swallowed, call a poison control center or doctor immediately for treatment advice. Have a person sip a glass of water if able to swallow. Do not induce vomiting unless told to by a poison control center or doctor. Do not give anything to an unconscious person. Call a poison control center or doctor immediately for treatment advice. Have the product container or label with you when calling a poison control center or doctor or going for treatment