condition mean min max 12pM Fe,Midday 116.577 116.577 116.577 12pM Fe,Midnight 117.69 115.581 119.799 58pM Fe,Midday 89.4058 89.4058 89.4058 58pM Fe,Midnight 91.76644285714286 78.5939 99.4967 233pM Fe,Midnight 22.0208 21.5442 22.5159 1160pM Fe,Midday 56.63685714285714 43.9743 62.964 1160pM Fe,Midnight 15.313969166666666 4.18015 35.7946 High carbon,Dark 17.023327333333334 6.56625 34.6125 High carbon,Light 16.523773076923078 4.03586 23.9784 Low carbon,Dark 10.4721 10.4721 10.4721 Phloroglucinol 162.20166666666665 145.307 174.688 Silicon starvation,12h 29.0065 29.0065 29.0065