Cal Up

Spa Pure Cal is a granular calcium increaser formulated to raise calcium hardness in spa and hot tub water. Proper calcium levels prevent corrosion, etching, and foaming, extending the life of spa surfaces and equipment. Ideal for retail, service, and professional spa maintenance programs.

Features:

• Raises calcium hardness to prevent corrosion and etching
• Protects spa finishes and equipment
• Helps reduce foaming and water imbalance
• Fast-dissolving granular formula for easy application
• Packaged as 650 g – convenient for retail or service programs