Hey Pool Owners! Ever wondered how much water a single 3-inch chlorine tablet can treat? For a healthy, algae-free pool, maintaining the right chlorine levels is essential. A single 3-inch chlorine puck contains about 8 ounces of concentrated chlorine. This puck can treat approximately 5,000 gallons of water, releasing its sanitizing power over a period of 7-10 days. For example, if you pool is 20,000 gallons, you need to 4 chlorine tablets in a floater or skimmer basket to treat it. But if you