condition mean min max 12pM Fe 30.81125 28.4297 33.1928 58pM Fe 24.861985714285716 22.869 26.854971428571428 233pM Fe 40.1381 40.1381 40.1381 1160pM Fe 20.15497273809524 12.030887142857143 28.27905833333333 Dark 38.353390000000005 23.2386 53.468180000000004 Light 30.485833076923075 30.485833076923075 30.485833076923075 Phloroglucinol 13.33781 13.33781 13.33781