Spa Frog @Ease SmartChlor Cartridge

You'll use up to 75% less chlorine, leaving your water softer on your skin and with less pungent smells wafting around your spa. You'll be able to cut down your weekly pool shock treatments to just once a month. With the @Ease System, you'll have no faded swimwear, no chlorine smell, no mess, no guess, no Stress and no daily or weekly maintenance.