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![Shield](https://poolside.com.au/wp-content/uploads/mp/files/products/images/20021813.c2661143641acac2dc787201cebbc89e.jpg)
Shield
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.
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