condition mean min max 12pM Fe 22.490325 20.27725 24.7034 58pM Fe 15.695992857142858 11.875285714285715 19.5167 233pM Fe 7.440969999999999 7.440969999999999 7.440969999999999 1160pM Fe 6.9211727976190485 2.8191941666666667 11.02315142857143 Dark 11.582847166666667 10.262894333333334 12.9028 Light 7.473514230769231 7.473514230769231 7.473514230769231 Phloroglucinol 0.789348 0.789348 0.789348