Zodiac Nature2 In-Grnd Replacement Cartridge - up to 45K gal
Zodiac Nature2 In-Grnd Replacement Cartridge - up to 45K gal is the ultimate low-chlorine alternative for sanitizing in-ground pools. Its revolutionary combination of Nature2 mineral technology and an automatic chlorine feeder allows you to spend more time enjoying your pool and less time maintaining it. The Nature2 mineral technology sanitizes with reduced chlorine requirements, while the chlorine tab feeder automatically feeds the precise amount of chemical needed. Controlled Release Technology ensures optimal mineral levels and no staining mineral sanitizer and precision chlorine dispenser in one works with the pool filtration system. Nature2 CRG cartridge is replace in every six months.