Quote:
Originally Posted by KPG007
I can get bulk chemicals (buddy owns a chemical company) including Alk (Soda ash), Calcium chloride and mag. Mag Chloride is expensive at roughly $220 per 50 lb bag, but Mag sulfate was cheap at roughly $60 per 50lb bag.
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It looks like TimT is the better solution then for Mag Chloride as it would only cost 86ish for a 50lb bag. I wonder if one is pharmaceutical grade which might explain the difference.