condition mean min max 12pM Fe 0.0 0.0 0.0 58pM Fe 0.053432214285714284 0.0 0.10686442857142857 233pM Fe 0.0 0.0 0.0 1160pM Fe 0.0 0.0 0.0 Dark 0.0 0.0 0.0 Light 0.23777846153846155 0.23777846153846155 0.23777846153846155 Phloroglucinol 0.42952999999999997 0.42952999999999997 0.42952999999999997