PH minus: full Chlorine granules: full Algaecide: full The ClearWater Swimming Pool and Hot Tub Chemical Starter Kit is a comprehensive water treatment product suitable for all water types. This kit includes pH adjusters and pool clarifiers in granule form, specifically designed for maintaining the pH level in swimming pools and hot tubs. The ClearWater brand ensures high-quality and effective treatment for keeping your water clean and clear, providing a safe and enjoyable swimming experience. chemicals (opened but not used) Expiry date 2028 Will be sent by recorded delivery.