condition mean min max 12pM Fe,Midday 73.1092 73.1092 73.1092 12pM Fe,Midnight 62.57245 60.4607 64.6842 58pM Fe,Midday 55.1189 55.1189 55.1189 58pM Fe,Midnight 43.38252857142857 33.1497 46.8656 233pM Fe,Midnight 51.176966666666665 50.1758 51.9595 1160pM Fe,Midday 50.5483 48.2663 52.1592 1160pM Fe,Midnight 35.939225 28.8667 43.108 High carbon,Dark 70.60994 28.9349 114.1 High carbon,Light 69.13553846153846 22.9475 118.36 Low carbon,Dark 55.7631 55.7631 55.7631 Phloroglucinol 45.864200000000004 45.1693 47.2045 Silicon starvation,12h 53.0572 53.0572 53.0572