Zodiac Nature2 Express Cartridge / N2 Mineral Purifier Sanitiser (Genuine)

Nature2 is a mineral-based water purifier that works with the pool chlorine to keep your pool and spa water healthy and clearer requiring less chemicals. This is a replacement cartridge for the Nature2 System. Benefits: Assists in controlling algae growth and maintaining water quality Lower chlorine levels help keep the pool pH balanced Reduces potential for stinging eyes, skin irritation and unpleasant odors Dispenses automatically into you pool Easy installation plus very widely available supplies. It easily fits into most existing pool filter and pumps systems. Cartridges last long, and are replaced every 6 months.