New Water Water Replacement Chlorine Cycler Pac For In Ground Pools 01-03-4613 Proactively maintain your pool so you always have water which is inviting， sparkling and refreshing with the New Water Replacement Mineral Purifier Cycler Pacs. These conveniently designed pacs are created specifically for use with the New Water Cycler System. They feature a pre-filled design so you don’t have to touch harsh chemicals. That also means everything is pre-mixed for you， making your above ground or in-ground pool maintenance experience as simple as possible.