Purina’s Wind and Rain® High Magnesium is a comprehensive line of beef cattle minerals designed to provide readily available formulations that cattle will eat while grazing lush pastures, in a palatable, weather-resistant, granular formula. Purina’s unique manufacturing processes help ensure more consistent intake and adequate levels of available magnesium. Wind and Rain® Storm® cattle minerals’ large particle size and special formulation keeps the mineral from absorbing water and blowing out of the feeder.  The Storm® technology provides the ultimate in weather resistance to reduce waste and makes Wind and Rain® Storm® Formula more economical to feed than conventional loose minerals.