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bertoni · 11/08/2016, 07:23 PM

Using magnesium chloride only should be acceptable even if you're dosing a 2-part, but I would consider using the chloride and sulfate combination from this article:

http://reefkeeping.com/issues/2006-02/rhf/index.php#12

That formula would be used only for maintaining the magnesium level. For raising it, calcium chloride alone should be okay.

11/08/2016, 07:23 PM	#6
bertoni RC Mod Join Date: Mar 2002 Location: Mountain View, CA, USA Posts: 88,616	Using magnesium chloride only should be acceptable even if you're dosing a 2-part, but I would consider using the chloride and sulfate combination from this article: http://reefkeeping.com/issues/2006-02/rhf/index.php#12 That formula would be used only for maintaining the magnesium level. For raising it, calcium chloride alone should be okay. __________________ Jonathan Bertoni