Jandy Zodiac W28000 Duoclear & Fusion 25 Replacement Mineral Cartridge

Using DuoClear' means you can significantly reduce levels of chemicals like chlorine in your pool. That means a reduced potential for red eyes, skin irritation and unpleasant odors. DuoClear works automatically. So you can spend more time enjoying your pool and its fresh crystal clear water. All you have to do is replace the DuoClear cartridge every six months. DuoClear even has a signal light that reminds you when to do that. Zodiac's Duoclear system makes pool water simply irresistible. The DuoClear system uses silver and copper in conjunction with just 0.5 ppm of chlorine to destroy bacteria and algae. The silver is an effective bactericide, while the copper is used to combat algae. DuoClear produces low levels of chlorine to oxidize dead bacteria and algae. The Zodiac DuoClear system saves you the time and effort that comes with manually sanitizing your pool. This system works to give you the best quality water possible. It's the clear choice for maintaining perfect, quality pool water automatically.