condition mean min max 12pM Fe 45.727774999999994 41.7163 49.73925 58pM Fe 37.14136428571429 36.699128571428574 37.5836 233pM Fe 31.099 31.099 31.099 1160pM Fe 15.200359523809523 12.930533333333333 17.470185714285712 Dark 25.967623333333332 19.72 32.215246666666665 Light 18.344145384615384 18.344145384615384 18.344145384615384 Phloroglucinol 29.1818 29.1818 29.1818