condition mean min max 12pM Fe 14.272025 13.64425 14.8998 58pM Fe 10.363909285714286 7.118518571428572 13.6093 233pM Fe 6.407753333333334 6.407753333333334 6.407753333333334 1160pM Fe 8.53472125 6.6858025 10.38364 Dark 7.730444 6.869668 8.59122 Light 7.292200538461539 7.292200538461539 7.292200538461539 Phloroglucinol 12.3563 12.3563 12.3563