Thermocal Calcium Flake supports proper digestion, acts as a buffering agent, is unique in makeup, and is beneficial to livestock. It is a high-grade calcium derived from hot water springs and is naturally reprecipitated. These hot water springs create a unique type of calcium which is soft, white and has a fast reaction time compared to cold water calcium. The springs reach temperatures of 138 degrees which contributes to the unique characteristics of the calcium.