Urea 12 W W Lactic Acid 6 W W Glycine 3 W W Ammonium Chloride 0 5 W W Sodium Chloride 0 5 W W Calcium Lactate 0 5 W W Magnesium Chloride 0 3 W W Sodium Dihydrogen Phosphate 0 5 W W Dihydrate 0 5 W W