FreshWater Mineral Spa Sanitizer shown next to its retail packaging box on a white background. The product is a silver metal cylinder with a black perforated filter section and a gray cap, while the box is white with a light blue top and features the FreshWater brand name.

Mineral Spa Cartridge | FreshWater

$45.99
$45.99
Skip to product information
FreshWater Mineral Spa Sanitizer shown next to its retail packaging box on a white background. The product is a silver metal cylinder with a black perforated filter section and a gray cap, while the box is white with a light blue top and features the FreshWater brand name.
  • FreshWater Mineral Spa Sanitizer shown next to its retail packaging box on a white background. The product is a silver metal cylinder with a black perforated filter section and a gray cap, while the box is white with a light blue top and features the FreshWater brand name.
Mineral Spa Cartridge | FreshWater

Mineral Spa Cartridge | FreshWater

$45.99
$45.99

The FreshWater Mineral Spa Cartridge is a silver-based mineral cartridge for your hot tub water care routine. Designed for Caldera spas, it helps keep spa water clean and clear while supporting reduced chlorine use when used according to the product label.

The cartridge provides mineral-based water care in a replaceable stick format. It is a replacement option for the Nature2 Spa Mineral Stick, making it a practical choice when refreshing an existing compatible mineral cartridge system.

Product details

  • Mineral technology: Silver-based cartridge
  • Purpose: Helps maintain clean, clear spa water as part of a complete water care routine
  • Compatibility: Caldera spas and compatible mineral cartridge systems
  • Replacement interval: Every 4 months
  • Replacement option for: Nature2 Spa Mineral Stick

Use and replacement

Confirm compatibility with your spa’s mineral cartridge system before ordering. Follow the product label and your spa manufacturer’s instructions for placement, required sanitizer levels, handling and safety. Replace the cartridge every 4 months and continue regular water testing.

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