• Low-chlorine spa sanitizing cartridge maintains a consistent 0.5–1.0 ppm free chlorine level at all times
• Lasts 3-4 weeks in spas up to 600 gallons
• Shock only once a month and use up to 75% less chlorine
• Minerals last up to 4 months, SmarChlor cartridges last 3-4 weeks in spas up to 600 gallons
• Floats in spa water and flips over when empty, indicating the SmartChlor cartridge needs replacing.

• 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.

• Multi-purpose shock with four benefits in one: shock, clarifier, flocculent and pH buffer
• Restores water sparkle and removes unpleasant odors
• Treat and soak in as soon as 15 minutes*
• Compatible with chlorinated or brominated spas and those using ozone or ionization systems

Keep your Bullfrog Spa clean, clear, fresh, and safe with the innovative mineral sanitizer system designed specifically for your hot tub!

• Time-release chlorine means stable water chemistry.
• Frog @ease is the manufacturer-recommended sanitizer for 2019 Bullfrog Spas.
• Use less chlorine with Frog minerals.
• Each SmartChlor cartridge lasts for up to five weeks.
• Most Bullfrog spas after 2013 can be upgraded to use Frog @Ease.
• Spa Frog is the leading designer of mineral sanitizing systems.

At the end of each season (about 12 weeks), you will eventually need a new blue mineral cartridge. You can get this cartridge, plus a fresh set of test strips and one more SmartChlor cartridge, by buying another Frog @ease Sanitizing System for Bullfrog spas.