Frog @Ease Inline Spa Sanitizing System is the quickest and easiest way to keep your spa water clean, clear, and silky soft. Enjoy 3 - 4 weeks of worry-free enjoyment of your spa or hot tub. Simply replace the self-regulating cartridges every month and continue to relax in your spa. No hassles, no constant testing, and best of all no worry! For use only in certain models of: Artesian • Associated Leisure • Caldera • Dynasty Spas • Emerald Spa • Four Winds • Leisure Bay • Marquis • Morgan • Premium Leisure • Spa Crest Mfg. • Sunbelt Spas • Viking Spas. Includes below: Inline System - for hot tubs up to 600 gallons - mineral cartridge lasts 4 months - SmartChlor cartridge lasts up to 4 weeks (30) @ease Test Strips - easy one-color match tells when the SmartChlor Cartridge is empty - also tests for pH, Total Alkalinity, and Calcium Hardness to help you maintain water balance Frog Jump Start - Start-up shock for a freshly filled hot tub - effervescent action helps the shock dissolve faster
