Make your pool your happy place with FROG 01-01-6180 Pool FROG 6100 Fresh Mineral Water Cycler 25K gal. Happiness is spending more time in your pool enjoying crystal clear, silky soft water without handling or measuring pool chemicals. The Pool FROG system creates Fresh Mineral Water®∞ that kills bacteria 2 ways, with FROG minerals and a small amount of chlorine, requires no daily dosing, eliminates smelly chlorine odors and invites loads of fun. Prefilled cartridges make it easy to take care of. Here’s to more happiness!