condition mean min max 12pM Fe 13.70885 10.589400000000001 16.8283 58pM Fe 11.397942857142857 11.1678 11.628085714285714 233pM Fe 7.40167 7.40167 7.40167 1160pM Fe 6.243962232142858 2.59982875 9.888095714285715 Dark 6.4434439999999995 4.0727 8.814188 Light 6.49331 6.49331 6.49331 Phloroglucinol 5.4516 5.4516 5.4516