NAF Electro Salts 1kg. NAF Electro Salts is a balanced combination of the essential plasma salts (sodium, potassium, calcium, chloride and magnesium) with dextrose to aid efficient absorption. NAF Electro Salts can be fed following hard work, when a horse sweats heavily and also during the hot weather. Failure to replace these salts can result in fatigue and in serious cases; muscle, bone and cartilage tissue damage. NAF Electro Salts can be fed easily in feed or dissolved in water. Ensure horses have plenty of water when feeding electrolytes.