Farnam Apple Elite Electrolyte Powder- 20lbFarnam Apple Elite Electrolyte Powder 20lb Electrolyte supplementation is often thought of as only needed by performance horses; however, all horses that sweat for an extended time, whether from exercise, weather or stress, can benefit from electrolyte supplementation. When horses sweat, it results in a loss of water, sodium chloride, potassium, calcium and magnesium. If these minerals are not replenished, it could result in a significant body deficit