Freshwater™ Silver Ion / Mineral Spa Sanitizer Silver Ion system The blue mineral cartridge lasts

The blue mineral cartridge lasts for 4 months

Box contains:

Safe to use in all hot tub & spa water balance systems

The Sirona™ Bromine Tablets low-dusting tablet shape fits most floating feeders to give you the effectiveness of chlorine without the chlorine odor

Freshwater™ Silver Ion / Mineral Spa Sanitizer Silver Ion system The blue mineral cartridge lastsThe Freshwater Silver Ion Mineral Spa Sanitizer further reduces the need for chlorine by introducing silver ions into the spa water that inhibit bacterial growth and reduce the need for sanitizer. Insert Freshwater Silver Ion Mineral Spa Sanitizer cartridge into the filter of your hot tub and the silver ions are released automatically reducing your need for chlorine! Replace the silver ion cartridge every 4 months. Package Contains: (1) Silver Ion