condition mean min max 12pM Fe 29.600099999999998 23.9716 35.2286 58pM Fe 20.299535714285714 17.40477142857143 23.1943 233pM Fe 15.9302 15.9302 15.9302 1160pM Fe 18.125742857142857 14.1704 22.081085714285713 Dark 13.444690000000001 8.68174 18.20764 Light 16.72233076923077 16.72233076923077 16.72233076923077 Phloroglucinol 17.1859 17.1859 17.1859