Calculator target 2-10 ug/L. Shop max-dose line says 'cobalt' (copy error). Also carries V (not tracked by the app).
faunamarincorals.de/en/Elementals-Trace-V-250ml/15075V
faunamarin.de/wp-content/uploads/2021/04/FM_HTU_ELEMENTALS_TRACE_EN_NEU_291121.pdf
lab.faunamarin.de/en/calc-elementals-once