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Nature2® Professional G Replacement Cartridge (Various Capacities)


Item #421145


Order Now and your item will be shipped out Monday

The Nature2® Pro G45 Replacement Cartridge is the ultimate low-chlorine alternative for sanitizing inground pools up to 45,000 gallons. Its revolutionary combination of Nature 2 mineral technology and an automatic chlorine feeder allows you to enjoy your pool more and spend less time maintaining it. The Nature 2 mineral technology sanitizes with reduced chlorine requirements, while the chlorine tab feeder automatically feeds the precise amount of chemicals needed. It releases the same minerals found in nature to control bacteria, algae, and viruses. 

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


  • Crystal clear, clean 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, and helps stabilize pH levels
  • 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 #: W28145


  • 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 45,000 Gallons
Color Gray
Brand Nature2™

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