BioGuard SPA Shield raises calcium hardness to help prevent corrosion of equipment and etching of surfaces.

Product Features:

• Minimum 740g/kg calcium chloride
• Increases calcium
• Helps prevent corrosion of equipment
• Helps prevent etching
• Classified as Non-Dangerous Good*

Benefits:

1. Protects spa surface and equipment
2. Assists in maintaining calcium hardness levels
3. Storage and transport friendly