condition mean min max 12pM Fe 22.368175 21.1436 23.592750000000002 58pM Fe 16.466235714285716 16.4509 16.481571428571428 233pM Fe 18.3124 18.3124 18.3124 1160pM Fe 9.923610357142858 6.612235 13.234985714285715 Dark 12.063471266666667 10.4652 13.661742533333333 Light 9.040338461538461 9.040338461538461 9.040338461538461 Phloroglucinol 15.182400000000001 15.182400000000001 15.182400000000001