101055 SpaRX Spa Unit There are two parts to this product Minerals in the waterMetallic rod Minerals in the water We have packed 2 oz of the minerals into the middle of the rod. This is enough minerals for a 1000gallons / 4,000 liters. If your Spa is larger than that see chart below to work out how many additional SpaRX units you will need. Metallic Rod The rod in the blue cage is a specially treated alloy that has rejuvenating abilities on the copper, silver and zinc minerals. Allowing these minerals to continually defend and attack algae and bacteria in the spa 24hrs a day, 7 days a week and lengthening the replacement time to 4 to 6 months. Yes thats right! The SpaRX unit only need to be replaced every 4 to 6 months. Where do I install it? Simply Place the SpaRX blue cage unit into the skimmer or between the filter cartridges. Where ever it gets the best water flow over it. What happens when I place the unit in the skimmer or between the cartridge filters? The blue caged SpaRX unit should be placed in the skimmer at the beginning of the filter cycle. This
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Zodiac Nature2 Mineral Sanitizer Express W20086 Nature2 Express allows swimming pool owners to bring all the benefits of mineral technology to their existing swimming pool with a quick, do-it-yourself installation. The unit attaches to the plastic plumbing of most in-ground and aboveground swimming pool systems. During the regular swimming pool filtration cycle, water flows through the Nature2 Express cartridge, where a combination of silver and copper minerals destroy bacteria. This process significantly reduces the need for large amounts of chlorine, limiting the potential for eye irritation and unpleasant odors. BenefitsEasy in-line installation, no extra parts or system upgrades neededReduces eye and skin irritationEasy to replace cartridgeControlled Release Technology (CRT) ensures optimal mineral levels and no staining Product SpecificationsAvailable for swimming pools: Up to 25,000 gallonsCartridge lasts 6 months1-year limited warranty

Zodiac Duoclear 25 Cartridge W26000 Cartridge capacity 10,000 to 25,000 gallons