BioGuard Spa Defence 490ml

BioGuard Spa Defence prevents staining and water discolouration from metals and scale build-up from excessive calcium. Used regularly, Defence will protect your spa from scaling and staining, saving time and money.

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.

Product Benefits:

- Prevents scale build-up.
- Helps keep spa water clear.
- Removes some fresh metal stains.
- Protects spa surfaces.