condition mean min max 12pM Fe 31.114825 28.49975 33.7299 58pM Fe 21.91594285714286 19.513085714285715 24.3188 233pM Fe 18.5716 18.5716 18.5716 1160pM Fe 23.507638511904762 18.07774285714286 28.937534166666666 Dark 18.71173 15.225 22.19846 Light 18.204313846153845 18.204313846153845 18.204313846153845 Phloroglucinol 70.2111 70.2111 70.2111