condition mean min max 12pM Fe 6.4739949999999995 5.80397 7.144019999999999 58pM Fe 5.298080714285714 4.220911428571428 6.37525 233pM Fe 3.9629433333333335 3.9629433333333335 3.9629433333333335 1160pM Fe 4.772605714285715 3.3540614285714283 6.19115 Dark 11.067157 7.15472 14.979594 Light 8.275210692307692 8.275210692307692 8.275210692307692 Phloroglucinol 14.7308 14.7308 14.7308