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 0.0 0.0 0.0 Dark 3.0180166666666666 0.0 6.036033333333333 Light 136.22584615384616 136.22584615384616 136.22584615384616 Phloroglucinol 0.0 0.0 0.0