condition mean min max 12pM Fe 0.0 0.0 0.0 58pM Fe 0.09299621428571428 0.0 0.18599242857142856 233pM Fe 0.0 0.0 0.0 1160pM Fe 0.17133391071428572 0.15930025 0.18336757142857144 Dark 3.7432359999999996 0.886212 6.60026 Light 1.1158392307692309 1.1158392307692309 1.1158392307692309 Phloroglucinol 0.0 0.0 0.0