Where to get Magnesium Chloride Hexahydrate

[parkinsn]

Littlesilvermax has chems

http://www.canreef.com/vbulletin/showthread.php?t=26590

Here is a link for quantities, i have been using randy for a couple years now and it works great

http://www.advancedaquarist.com/issu...l2004/chem.htm

And a helpful calc

http://jdieck1.home.comcast.net/~jdieck1/chemcalc.html