Description of Camelbak Elixir 12 Tablet Tube Pack - Berry A sugar-free effervescent tablet, loaded with electrolytes, designed specifically for a CamelBak® hydration system. Elixir dissolves easily in water and won’t leave a sticky residue if used in a reservoir. Use one tablet for every 24 oz of water. Sold in an easy-to-carry portable tube. Only 10 calories per serving. Features: Sugar-free, effervescent electrolyte tablet works well with CamelBak® reservoirs No sticky residue to clean No pre-mixing or stirring necessary – just drop a tablet in to your water More electrolytes (sodium, potassium, magnesium) than the leading sports drink Only 10 calories per serving