condition mean min max 12pM Fe 0.0 0.0 0.0 58pM Fe 0.007388264285714286 0.0 0.014776528571428572 233pM Fe 0.0267066 0.0267066 0.0267066 1160pM Fe 0.039368244047619044 0.03546077142857143 0.043275716666666665 Dark 0.040380733333333335 0.0 0.08076146666666667 Light 0.05353361538461539 0.05353361538461539 0.05353361538461539 Phloroglucinol 0.0 0.0 0.0