2lb. FreshWater Concentrated Chlorinating Granules is formulated for spas and hot tubs. Our FreshWater Concentrated Chlorinating Granules shocks your hot tub water to sanitize it & keep it clean & clear.

About: 2lb. FreshWater Concentrated Chlorinating Granules is formulated for spas and hot tubs. Our FreshWater Concentrated Chlorinating Granules shocks your hot tub water to keep it clean, clear, and effectively sanitized.

Compatible With: Chlorine systems, Salt Water systems, Frog @ease Inline systems, Ozone Systems.