Durachlor C002711-CS77C1 4 Lb. Calcium Hardness Increaser

Raises calcium hardness to prevent long-term damage to the pool and its equipment. The ideal range is 200-400 ppm.

• Active Ingredient: Calcium Chloride
• Granular Form: Quick-dissolving granules for easy application
• Usage: Add 1.2 pounds per 10,000 gallons of pool water to raise calcium hardness by 10 ppm
• Prevents Damage: Proper calcium levels prevent damage to pool surfaces and equipment, such as etching, pitting, and corrosion
• Application: Add the product directly to the pool water with the circulation system running. Brush any unsettled particles from the surface. Circulate for 2 hours and retest calcium hardness levels.

Features:

• Contains: Calcium carbonate
• Granular product
• Eliminates a cause of pool components failing prematurely