FROG Pool FROG Pac 540C 6.16 lbs. - Replacement Chlorine Cartridge - for use with Pool Frog XL PRO Pool Sanitizer System for Pools up to 40,000 gallons - 3 Pack

For use in the Pool FROG XL PRO System with the Pool FROG Mineral Reservoir 40K (sold separately) in one Cycler and this chlorine Pac in the other. Together, they create Fresh Mineral Water, keeping pools up to 40,000 gallons clean and clear for weeks and weeks Each Pool FROG Pac 540C is prefilled with 6.16 lbs. of Trichlor and dispenses the right amount of chlorine needed for the pool - no need to measure or handle chlorine, making it no guess, no mess and no stress. Simply replace the Pool FROG Pac every 3-4 weeks as needed A larger Chlorine Pac means you spend less time and effort maintaining the water and have more time to enjoy your pool. Simply replace the Pool FROG Pac every 3-4 weeks as needed The Pool FROG XL Pro System kills bacteria with a low level of chlorine and FROG Sanitizing Minerals – no more worries Pool FROG XL Pro reduces chlorine use up to 50%*, for Cleaner, Clearer, Softer and Easier water. Less chlorine means water feels luxuriously soft and is easier on skin, hair and surfaces. *Compared to the minimum EPA recommended chlorine level of 1.0 ppm for a stabilized swimming pool