Frog @ease System for Sundance Spas


In stock

  • Time-release chlorine means stable water chemistry.
  • Frog @ease is the Sundance-approved sanitizer for 2021 Sundance Spas.
  • Use less chlorine with Frog minerals.
  • Each SmartChlor cartridge lasts for up to six weeks.
  • 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 the Frog cartridge holder.

Limit 3 Per Customer



It’s finally here: the Frog @ease System for Sundance Spas

Keep your Sundance Spa clean, sparkling, and safe by sanitizing your water with Spa Frog. Designed by Frog with the full cooperation of Sundance Spas, the @ease system fits your tub and fits your busy life.

The Frog @ease Sanitizing System is a worry-free, manufacturer-approved method of keeping your water free of germs and algae. The mineral cartridge included with the system lasts up to four months, while the replaceable SmartChlor chlorine cartridge provides up to five weeks of consistent and easy sanitation. You will use less chlorine because of the natural copper and silver ions of Frog’s mineral cartridge. Your bathing suits will last longer. You’ll have less chlorine odor in your yard.

This System gets you started with the low-hassle lifestyle of Frog @ease. For a whole season (12+ weeks!) of sanitizing, please also add a set of @ease SmartChlor refills.

If you have a 2010–2020 Sundance, your tub probably needs only a slight adjustment before it can use the @ease System for Sundance Spas. Add the cartridge holder. This one-time purchase will enable you to enjoy low maintenance clean water just like newer tubs. The cartridge holder fits 780, 880, and 980 series tubs.

If your Sundance hot tub was manufactured prior to 2010, you can probably still use the @ease System, but please contact us first to make sure.


Additional information

Weight 1.25 lbs
Dimensions 7.5 × 4.5 × 4.5 in


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sundance @ease system

Frog @ease System for Sundance Spas

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