condition mean min max 12pM Fe 0.0 0.0 0.0 58pM Fe 0.0 0.0 0.0 233pM Fe 0.018954000000000002 0.018954000000000002 0.018954000000000002 1160pM Fe 0.01647319880952381 0.010607314285714287 0.022339083333333332 Dark 0.1733846666666667 0.0 0.3467693333333334 Light 0.20495246153846156 0.20495246153846156 0.20495246153846156 Phloroglucinol 0.0 0.0 0.0