aqent for raising magnesium levels in reef aquariums. recommended levels is 118-1460 mg/l(ppm).
dissolve 10g in 1000ml ro water, dosage is dependant on your daily consumption.
100ml of magnesium solution in 100l of water raises magnesium level by 1.2 mg/l (ppm).
magnesium and calcium or reef salt can be combined together into one solution.