Bioguard® SPA Shield raises calcium hardness to help prevent corrosion of equipment and etching of surfaces.
(Previously known as Balance Pak 300) (more)
- Minimum 740g/kg Calcium chloride.
- Increases Calcium.
- Helps prevent corrosion of equipment.
- Helps prevent etching.
- Classified as a non-dangerous good.
- Protects spa surface and equipment.
- Storage and transport friendly.