condition mean min max 12pM Fe,Midday 63.5512 63.5512 63.5512 12pM Fe,Midnight 13.61005 12.998 14.2221 58pM Fe,Midday 55.6992 55.6992 55.6992 58pM Fe,Midnight 9.457147142857142 0.0 13.6784 233pM Fe,Midnight 14.221533333333333 13.0256 16.2995 1160pM Fe,Midday 66.64575714285715 52.545 75.7543 1160pM Fe,Midnight 6.699245 3.75833 10.6712 High carbon,Dark 17.053678666666666 2.10695 29.2434 High carbon,Light 18.74231153846154 1.18397 42.1968 Low carbon,Dark 22.2223 22.2223 22.2223 Phloroglucinol 11.9583 4.91484 22.0598 Silicon starvation,12h 29.0642 29.0642 29.0642