condition mean min max 12pM Fe 20.093374999999998 18.682949999999998 21.5038 58pM Fe 12.6613 12.1885 13.1341 233pM Fe 8.84359 8.84359 8.84359 1160pM Fe 8.923883214285715 7.452375 10.395391428571429 Dark 9.131166433333334 8.65841 9.603922866666666 Light 6.257692307692308 6.257692307692308 6.257692307692308 Phloroglucinol 6.99949 6.99949 6.99949