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Denver Hot Tub Supplies

FreshWater Mineral Spa Sanitizer - AG+ Silver Ion


AG+ Silver Ion Cartridge is Hot Spring’s Portable Spas “FreshWater Mineral Spa Sanitizer”.

Nature 2 Mineral Sanitizer for spas

Reduces potential for unpleasant odor and scum lines

Enhanced consumer comfort installs in seconds – right into your spa filter

Comes in two parts – the main body and the handle

Relax while it consistently and conveniently sanitizes your water

Change every 4 months Specifically designed to use with HotSpring, Caldera, Hot Spot and Freeflow spas.

Compatible with the Freshwater III ozone systems

Silver is an effective bactericide. A Silver Ion Cartridge in your filter compartment releases a steady supply of silver ions into the hot tub water to inhibit the growth of bacteria. It is a fast, simple and effective way to sanitize your hot tub!


SilkBalance Purchase SilkBalance along with your Silver Ion every 4 months for best performance.