Bull Kelp Analysis by: Food Laboratories Australia Pty Ltd Item of analysis ..... g/1000g - 18 Mesh size. g/1000g - 30 Mesh size. Moisture 72 52 Protein (Nx6.25) 56 69 Fat Less than 1 12 Ash 202 327 Carbohydrate 662 540 Sodium 42 34 Potassium 12 9.7 Calcium 1.5 5.0 Phosphorus 1.2 1.7 Magnesium 1.2 1.1 Iron 0.005 0.100 Zinc 0.004 0.010 Copper Less than 0.001 Less than 0.001 Manganese Less than 0.001 Less than 0.002 Alginates 450 450