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Product Description

BioGuard SPA Defence prevents staining and water discolouration from metals, and scale build-up from excessive calcium.


Product Features:

• 133g/L organic phosphonates.

• Prevents calcium and magnesium ions present in ‘hard’ water from precipitating out of solution.

• Helps to prevent staining from metals like copper, iron and manganese.



• Prevents scale build-up.

• Helps keep spa water clear.

• Removes fresh metal stains.

• Protects spa surfaces

Defence 490mL

SKU: 9322477300171
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