condition mean min max 12pM Fe,Midday 400.731 400.731 400.731 12pM Fe,Midnight 373.0725 355.258 390.887 58pM Fe,Midday 366.211 366.211 366.211 58pM Fe,Midnight 223.0497142857143 0.0 337.77 233pM Fe,Midnight 402.8233333333333 313.569 462.305 1160pM Fe,Midday 318.47371428571427 252.26 374.783 1160pM Fe,Midnight 304.15433333333334 205.419 414.361 High carbon,Dark 395.96026666666666 221.867 791.313 High carbon,Light 342.42346153846154 121.642 599.932 Low carbon,Dark 426.999 426.999 426.999 Phloroglucinol 1063.177 792.201 1296.71 Silicon starvation,12h 310.234 310.234 310.234