Endurance Formula Cartridge
Endurance Formula Cartridge
$3.99
Replaces the electrolytes lost during exercise delivered through the Cirkul System.
01
Designed to Perform
The Stage Hydration Endurance Formula is packed with electrolytes to hydrate and boost your performance.
02
Backed by Science
Our formula mirrors the ratio of electrolytes in sweat for optimal rehydration.
Sodium
1000mg
Potassium
290mg
Calcium
120mg
Magnesium
35mg
03
Hydration Made Easy
The Cirkul System is the ultimate hydration tool for athletes that want efficiency, flexibility, and convenience.
- No Artificial Sweeteners
- No artificial Colors
- Keto Friendly
- Gluten Free
- Dairy Free
- Vegan
Dial in Your Performance
Adjust your cartridge to customize your electrolyte flow. A higher setting means more electrolyte consumption. Each cartridge can last from
1 bottle to 20+ bottles
depending on your performance and hydration goals.
FAQ
Using the system is incredibly easy:
1 - Remove the Stage cartridge from package
2 - Shake the cartridge well
3 - Thread onto the Cirkul cap
4 - Fill bottle with water and thread on the cap
5 - Use the dial to adjust the flavor and electrolyte consumption
6 - Enjoy and make sure to recycle when done!
TIPS FOR BEST PERFORMANCE - Shaking the cartridge in between fill ups helps our electrolyte packed formula flow best. Also make sure that the small silicone valve under the cap has a fully cut "X" in it, high quality silicone has a knack for healing itself!
Once opened, you can leave a cartridge right on the bottle. It is not recommended to store below 40°F or above 90°F for extended periods of time.
The Cirkul cartridge flavor dial enables a customer to get anywhere from 1 to 20+ bottles from one cartridge. Our flavors were designed based on a flavor setting of 5 - 7, which based on normal usage patterns will provide 4 bottles of flavor.