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• Most Sundance Spas after 2010 can be upgraded to use Frog @Ease
• Spa Frog is the leading designer of mineral sanitizing systems

The @ease System for Sundance Spas is the manufacturer-recommended method of keeping your hot tub free of germs and algae. Upgrade your spa with ease. Sundance Spas prior to 2021 require a one-time purchase of this Frog @ease cartridge holder.