The Nature 2 Express Cartridge should be replaced every six months or every season, whichever is shorter. The Nature 2 Express Cartridge destroys bacteria, controls algae, and helps stabilize pH levels using natural minerals while reducing the potential for stinging eyes, skin irritation, and unpleasant odors. The Nature 2 Express Cartridge will not harm pool equipment or cause pool stains. Comes with a 6-month limited warranty.
Note: Cartridge only; select the correct cartridge for your Nature 2 System above. For pools up to 25,000 gallons.
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