condition mean min max 12pM Fe 22.854100000000003 21.3215 24.3867 58pM Fe 26.919264285714284 24.1679 29.670628571428573 233pM Fe 15.243500000000001 15.243500000000001 15.243500000000001 1160pM Fe 9.47992380952381 7.043263333333333 11.916584285714286 Dark 14.387627666666667 11.867455333333334 16.9078 Light 12.505000769230769 12.505000769230769 12.505000769230769 Phloroglucinol 6.5656 6.5656 6.5656