Clorox POOL & Spa XtraBlue 23005CLX Chlorinating Tablet Solid Chlorine 5 lb - Pack of 4

Long-lasting chlorinating tablets. Slow dissolving 6-in-1 formula. Kills bacteria. Controls algae, prevents corrosion, scale and metal staining. Makes water silky smooth. Includes built-in stabilizer to protect chlorine from sunlight degradation to last longer. Skimmer, feeder or floater application.