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. Read more… Horse and Ponies Recommended Daily Amounts Horse Competition Rate (1-3days) - 60g per day = 6 scoops Work Rate - 30g per day = 3 scoops Ponies Competition Rate (1-3days) - 40g per day = 4 scoops Work Rate - 20g per day = 2 scoops A 1kg tub fed at a Horses Work Rate of 30g per day will last appoximately 33 days.