Spa Calcium Hardness Increaser

Spa Calcium Hardness Increaser raises low calcium levels in hot tub water to help protect equipment and surfaces. Proper calcium hardness prevents aggressive, corrosive water that can damage your spa and components.

Key Features & Benefits:

• Raises Calcium: Brings low calcium hardness back into the ideal range.
• Protects Equipment: Helps prevent corrosion from soft, aggressive water.
• Protects Surfaces: Guards the spa shell and finishes from etching.
• Easy to Apply: Dissolves into spa water as directed.
• Balanced Water: A key step in complete spa water care.