Puri Tech Powder Chemical 20 lb Alkalinity Increaser & 20 lb Stabilizer Conditioner Kit for Pools & Spas

Puri Tech Chemicals 20 lb Alkalinity Increaser & 20 lb Stabilizer Conditioner Kit for Swimming Pools & Spas Balance Chemical Levels Keeps Surfaces & Water Clean. 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% Raises total alkalinity in swimming pool water. Total alkalinity balance is a crucial component of water balance. Low alkalinity level can cause pH levels to fluctuate. High alkalinity levels can cause the water to cloud or scale. Dosage: 1.5lbs per 10,000 gallons to raise total alkalinity level 10ppm. Directions: Spread over the deepest part of the pool and circulate pump a minimum of 4 hours. Active Ingredients: Sodium Hydrogen Carbonate