Purifies and improves the taste of tap water. 2 charcoal sticks per bag. These famous little charcoal sticks have the power to purify, rebalance, and mineralize water in just a few hours and are reusable for many months. Your water will always be clean and ready to drink. The charcoals absorb the chlorine from tap water and add more minerals. You can use the same charcoal for a few weeks. As soon as the taste of your water changes, boil the charcoal stick in a pot of water for about 5 minutes, and you can reuse it. Ingredients 100% natural white charcoal