Keep your pool or spa water pristine and sparkling with Pristine Extra Chlorine Shock Treatment, a powerful and fast-dissolving oxidizer designed to maintain clean, safe water. Ideal for weekly maintenance or periodic deep cleaning, this 1 lb bag is perfect for both residential pools and luxurious spas. Formulated with 99% sodium dichlor, Pristine Extra acts quickly to eliminate organic contaminants, neutralize bacteria, and restore water clarity—without causing cloudiness. Whether you’re opening your pool for summer fun or maintaining a serene spa environment, this treatment is a trusted part of the Pristine Blue system or as a standalone shock solution. Dual Use: Safe for use in both swimming pools and hot tubs Quick Dissolve: No pre-mixing required for immediate results Multi-Purpose: Effective for startup, routine care, or problem correction Application: Pools: Add 1 lb per 10,000 gallons Spas: Add 1 tsp per 100 gallons Enhance the health and beauty of your water with Pristine Extra—your go-to solution for a cleaner, more enjoyable aquatic experience.