NAF Electro Lytes Liquid. Help replace the nutrients lost during warm weather or heavy exercise with the NAF Electro Lytes Liquid. When a horse sweats, they loose essential fluids as well as essential body salts such as sodium, potassium, calcium and magnesium. By not replacing these nutrients, your horse may become fatigued or in extreme cases it may cause damage to the muscle, bone and cartilage tissue. Offering an easy to use liquid, Electro Lytes has been designed to help replace the four essential body salts and can be easy added to feed or dissolved in water.