condition mean min max 12pM Fe 0.5700675 0.0 1.140135 58pM Fe 0.26143357142857143 0.0 0.5228671428571429 233pM Fe 0.0 0.0 0.0 1160pM Fe 1.6475095833333333 0.9746891666666667 2.32033 Dark 33.81787766666667 3.5022553333333333 64.1335 Light 29.312854615384616 29.312854615384616 29.312854615384616 Phloroglucinol 2.7919899999999997 2.7919899999999997 2.7919899999999997