Yes, that's the old method that leads to buildup of sulfate.
Look at this new one : http://reefkeeping.com/issues/2006-02/rhf/index.php
I'm still looking for that MgCl , food grade is too expensive (5kg @ $95.40).
Any one knows where to get Mag Flakes (by DOW) ?
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Denis
150g SPS reef;3x250WHQI,Tunze Streams,Wavebox,Neptune Apex,fishroom in basement  ,reefing since 93,SPS since 99.
TOTM June 2010
Last edited by Denis; 06-16-2006 at 05:09 PM.
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