Provides a balanced intake of iron, potassium and magnesium, which are all vital for maintaining health. Our salt blocks are mined from ancient deposits in the himalayan mountains - purest form of salt and full of minerals. You receive 200 million years of accumulated energy plus many of the natural minerals needed by your horse. The distinctive rose pink color comes from the salts high mineral content. Salt licks are literally rock hard , which means that horses are unable to bite chunks off the block. These licks are also weather resistant and can be safely left outside in the field. They will not dissolve in the rain. Ingredients: Natural Salt And Minerals.