condition mean min max 12pM Fe,Midday 58.0832 58.0832 58.0832 12pM Fe,Midnight 92.7286 78.3622 107.095 58pM Fe,Midday 51.3947 51.3947 51.3947 58pM Fe,Midnight 81.18228571428571 65.0601 93.0081 233pM Fe,Midnight 62.627766666666666 58.9758 65.3614 1160pM Fe,Midday 51.24767142857143 46.5402 57.2862 1160pM Fe,Midnight 40.70794166666667 34.0377 47.6256 High carbon,Dark 51.917233333333336 10.3669 85.5336 High carbon,Light 38.79053230769231 7.08532 75.5918 Low carbon,Dark 47.1915 47.1915 47.1915 Phloroglucinol 36.4204 32.6256 39.2025 Silicon starvation,12h 54.7815 54.7815 54.7815