Keep your pool or spa water clean, clear, and properly sanitized with GLB 1" Chlorinating Tablets. These slow-dissolving tablets provide continuous chlorine protection to help control bacteria, algae, and other contaminants. Ideal for use in floaters, feeders, and skimmers, the convenient 5 lb container is perfect for smaller pools, spas, and routine maintenance. Designed for consistent performance and easy application, GLB tablets help maintain sparkling water all season long.