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Unread 01/17/2012, 06:07 PM   #6
Randy Holmes-Farley
Reef Chemist
 
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Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
I prefer regular IO to Reef Crystals or Kent due to the presence of vitamins in the latter two which I do not want in my mix. Kent also seems high in calcium and low in magnesium.


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Randy Holmes-Farley

Current Tank Info: 120 mixed reef
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