condition mean min max 12pM Fe,Midday 11.2512 11.2512 11.2512 12pM Fe,Midnight 8.62339 8.43969 8.80709 58pM Fe,Midday 9.74152 9.74152 9.74152 58pM Fe,Midnight 6.665782857142857 0.0 9.09131 233pM Fe,Midnight 6.3109866666666665 5.39969 7.43046 1160pM Fe,Midday 8.551728571428571 7.80736 9.67835 1160pM Fe,Midnight 5.191343333333333 3.04622 6.89969 High carbon,Dark 7.944735333333333 2.81346 13.7435 High carbon,Light 5.923010769230769 1.56691 11.6987 Low carbon,Dark 12.1886 12.1886 12.1886 Phloroglucinol 9.754263333333334 7.80842 13.2703 Silicon starvation,12h 21.1322 21.1322 21.1322