condition mean min max 12pM Fe 0.0 0.0 0.0 58pM Fe 0.0 0.0 0.0 233pM Fe 0.0 0.0 0.0 1160pM Fe 0.49560135714285714 0.05373471428571429 0.937468 Dark 0.026616466666666668 0.0 0.053232933333333336 Light 0.15610007692307692 0.15610007692307692 0.15610007692307692 Phloroglucinol 25.818779999999997 25.818779999999997 25.818779999999997