condition mean min max 12pM Fe 21.466050000000003 19.792900000000003 23.1392 58pM Fe 20.041585714285716 19.5439 20.53927142857143 233pM Fe 22.297033333333335 22.297033333333335 22.297033333333335 1160pM Fe 17.39205535714286 17.282225 17.501885714285713 Dark 27.032822 26.475844 27.5898 Light 21.845367692307693 21.845367692307693 21.845367692307693 Phloroglucinol 41.5941 41.5941 41.5941