condition mean min max 12pM Fe 19.2664 16.4178 22.115000000000002 58pM Fe 14.39294285714286 12.3434 16.442485714285716 233pM Fe 13.8872 13.8872 13.8872 1160pM Fe 6.436465892857143 4.8152175 8.057714285714287 Dark 14.851107299999999 14.4725 15.2297146 Light 6.0325707692307695 6.0325707692307695 6.0325707692307695 Phloroglucinol 4.2818933333333336 4.2818933333333336 4.2818933333333336