It is used primarily by red calcareous algae and soft corals.
When available in the correct concentration, coral calcification rates improve.
We recommend maintaining Mg between 1300 – 1350 mg/L (at 35 salinity) and checking Mg content regularly by a water test.
Dosage:
50ml per 100L (26 US gal) will increase magnesium content by approx. 100mg/L.
Maximum daily dose: Do not increase Mg by more than 100ml/100 L per day.
Always keep closed after opening. Store dark at room temperature.