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Nature2® Professional G Replacement Cartridge (Various Capacities)


Item #421125


SHIPS TODAY if ordered in the next:

The Nature2® Pro G25 replacement cartridge is the ultimate low-chlorine alternative for sanitizing inground pools up to 25,000 gallons. Its revolutionary combination of Nature2® mineral technology and an automatic chlorine feeder allows you to enjoy your pool more and spend less time maintaining it. The Nature2® mineral technology sanitizes with reduced chlorine requirements, while the chlorine tab feeder automatically feeds the precise amount of chemicals needed.

Note: Limited Cartridges (three posts) fit in any vessel. Professional or Standard Cartridges (two posts) only fit in standard vessels.


  • Clearer, cleaner water with lower chlorine requirements works to prevent algae growth and eliminate contaminants 
  • Works with the pool's existing filtration system
  • Reduces eye and skin irritation, and unpleasant odors
  • Available in three sizes to fit any pool
  • Controlled Release Technology (CRT) ensures optimal mineral levels and no staining
  • Mineral sanitizer and precision chlorine dispenser in one
  • Cartridge lasts 6 months and should be replaced every season or after 6 months of continuous use
  • Manufacturer Part #: W28125


  • Reduced Maintenance: Cartridge works with your pool's existing filtration system, preventing algae growth, eliminating contaminants, and reducing eye and skin irritation.
  • Long Lasting Effectiveness: The cartridge lasts for 6 months and should be replaced every season or after 6 months of continuous use.


  • 1 year limited manufacturer's warranty

More Information
Pool Type Inground
Pools Up To 25,000 Gallons
Color Gray
Brand Nature2™

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