Nature2 A30 Mineral Replacement Cartridge - For up to 30,000 gal automatic-pool-cleaners The Polaris 380 automatic pool

The Polaris 380 automatic pool cleaner runs off a separate booster pump

safer environment for your family's backyard fun

Fits the 6100 Series Cycler

The Black Max model is designed for dark bottom swimming pools

has its own powerful internal pump that quickly vacuums up dirt

Nature2 A30 Mineral Replacement Cartridge - For up to 30,000 gal automatic-pool-cleaners The Polaris 380 automatic poolFor use in Aboveground A and Pro A Plus. Replace your mineral cartridge every six months to keep your pool clean, clear, and algae free. Enjoy the benefits of natural mineral sanitizing with Nature2 cartridges. Alternative Sanitizers Mineral Systems Manufacturer Nature2 Zodiac Manufacturer Part # W28165 Pool Type Above Ground Warranty 6 Month Limited Manufacturers Warranty Product Features Six month Guarantee Kills bacteria, controls algae and won't