CamelBak Elixir 36 Tablet 3 Tube Pack Lemon/Lime Turns water into a refreshing lemon-lime drink that provides the electrolytes, vitamins and minerals your thirsts for during exercise. Developed especially for CamelBak Systems. Only 10 calories per 24 oz. serving No stirring necessary, just drop effervescent tablet into reservoir or bottle. Small, lightweight tube easy to carry for on the go hydration.