Apical thallus portions were selected (~2.0 g FW; two individuals
per Erlenmeyer flask) from the acclimated S. cymosum
and cultivated for 7 days under the same acclimation conditions
and experimental treatments with Cu and Pb in
Erlenmeyer flasks containing 500 mL of natural sterilized seawater
enriched with VSES/2 (without EDTA)