Mineral Harmony Quatro Mineral Cartridge 3pk.
$110.00 USD $116.70 USD
The Quatro mineral cartridge is compatible with most hot tub make/models and last for up to 4 months so this "bundle" will provide a full year's worth of natural minerals. Works great with chlorine, bromine, ozone and UV systems to maintain lower chlorine residuals than spas that don't contain a mineral cartridge.
This bundle includes (3) Mineral Harmony Brand Quatro Mineral Cartridges.