FROG @Ease in-Line SmartChlor Replacement Cartridge 3 Pack + 3 Packets of FROG Maintain

FROG @Ease in-Line SmartChlor Replacement Cartridge 3 Pack + 3 Packets of FROG Maintain:   For use only in certain hot tub models: Artesian Elite, Artesian Island (optional on Artesian Island Elite and South Seas); Marquis Crown (optional on Marquis Elite, Vector and Celebrity); Caldera Vacanza; and Hot Spring Hot Spot and hot tubs up to 600 gallons.Bundle includes 3 FROG @ease SmartChlor Cartridges; each Cartridge lasts up to 4 weeks depending upon hot tub size and use, and 3 single dose FROG Maintain non-chlorine shock packetsUse the FROG SmartChlor Cartridge with the FROG @ease In-Line Mineral Cartridge (sold separately). FROG @ease Cartridges are prefilled for no mess, no guess and no stress. The FROG @ease system combines the proven FROG mineral formula with SmartChlor TechnologyKills bacteria 2 ways with FROG Sanitizing Minerals that kill bacteria and SmartChlor – a unique, patented chlorine that self-regulates and maintains a consistent low Free Chlorine level. Say goodbye to co