Stain and Scale Remover

$35.00 inc GST

BioGuard Spa Defense 490ml

Prevents staining and water discolouration from metals, and scale build-up from excessive calcium.

SKU: 20021816 Category: Brand:

Product Description

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



  • 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.

Additional Information

Weight .6 kg


We ship freight-free for North Island orders over $119.00 / Waiheke Island and South Island orders over $219.00. (Excludes orders weighing over 15kg). Please click here for more details.


We stock quality pool and spa products and are confident that you will be very pleased with your purchase. If for any reason you are not satisfied please return it to us for a refund or exchange within 7 days of the purchase date. The refund will cover the purchase price of the returned product, including return shipping.  Please click here for more details.