Product Description
Effectively kill bacteria in hot tubs with our Freshwater Mineral Spa Sanitizer Silver Ionizer Cartridge, which prevents growth in your spa by releasing silver ions into the water to sanitize it. This hot tub water sanitizer cartridge provides a one-step, 4-month treatment for up to 500 gallons of spa water. For best results, test your water weekly with test strips and use Freshwater Mineral Spa Sanitizer Silver Ionizer to maintain a clean, healthy hot tub.