Puri Tech Pool Chemicals 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas Increases Calcium Hardness Levels Prevents Staining on Surfaces

BRAND NEW PACKAGING! Puri Tech Chemicals now come in a resealable bag for your convenience. Raises calcium level in swimming pool water.Calcium Hardness level prevents foaming, equipment and surface erosion and scaling.

Dosage:

• 2,000 Gallons: 1.5 Lbs to increase hardness 50ppm, 3 Lbs/100ppm, 6.25 Lbs/200ppm
• 5,000 Gallons: 3 Lbs to increase hardness 50ppm, 6.25 Lbs/100ppm, 12.5 Lbs/200ppm
• 10,000 Gallons: 6.25 Lbs to increase hardness 50ppm, 12.5 Lbs/100ppm, 25 Lbs/200ppm
• 20,000 Gallons: 10.5 Lbs to increase hardness 50ppm, 25 Lbs/100ppm, 50 Lbs/200ppm

Active Ingredients:

• Calcium Chloride