condition mean min max 12pM Fe,Midday 67.0094 67.0094 67.0094 12pM Fe,Midnight 60.403 52.9106 67.8954 58pM Fe,Midday 64.7831 64.7831 64.7831 58pM Fe,Midnight 61.74214285714286 40.8464 147.043 233pM Fe,Midnight 40.2448 37.7146 43.0194 1160pM Fe,Midday 54.42507142857143 48.6897 60.5019 1160pM Fe,Midnight 28.009191666666666 21.292 34.9238 High carbon,Dark 34.338876 9.38922 78.0028 High carbon,Light 32.92337538461538 5.35732 75.0017 Low carbon,Dark 36.2959 36.2959 36.2959 Phloroglucinol 24.2907 21.1823 30.4357 Silicon starvation,12h 77.1939 77.1939 77.1939