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:

• Protects spa surface and equipment.
• Assists in maintaining calcium hardness levels.
• Storage and transport friendly.