I definitely prefer Magnesium Carbonate + Seltzer Water, as opposed to Magnesium Hydroxide (Milk of Magnesia). It takes about 24 hours and multiples shakings to fully react, but it leaves a very pleasing amount of carbonation left over from the reaction.
1 tablespoon Magnesium carbonate powder to 1 liter of seltzer water, yielding about 1500mg of Magnesium in the solution.
1 tablespoon Magnesium carbonate powder to 1 liter of seltzer water, yielding about 1500mg of Magnesium in the solution.