condition mean min max 12pM Fe 0.0 0.0 0.0 58pM Fe 0.02667342857142857 0.0 0.05334685714285714 233pM Fe 0.0 0.0 0.0 1160pM Fe 0.05992145238095238 0.029642333333333337 0.09020057142857142 Dark 8.547680333333334 1.9972606666666668 15.0981 Light 1.9911362307692306 1.9911362307692306 1.9911362307692306 Phloroglucinol 14.4499 14.4499 14.4499