Stabilizer (cyanuric acid) helps protect chlorine in pool water from dissipation caused by sunlight. Use if intense sunlight causes difficulty in maintaining a chlorine residual.
Dosage: Add 1 lb to raise 10ppm per 10,000 Gallons
Active Ingredient: Cyanuric Acid 100%
Calcium Hardness Increaser raises calcium level in swimming pool water. Calcium Hardness level prevents foaming, equipment and surface erosion and scaling.
Due to product variety and changes, the picture shown of the product may not represent the actual product packaging.