low magnesium

[Randy Holmes-Farley Verified Community Expert]

ok I'm buying Magnesium Chloride. Can i dose just magnesium chloride or should I do a 50/50 mix

Magnesium chloride alone is fine for such a correction.

 

[Randy Holmes-Farley Verified Community Expert]

I discuss how to make magnesium supplements here:
Do-It-Yourself Magnesium Supplements for the Reef Aquarium by Randy Holmes-Farley - Reefkeeping.com
http://reefkeeping.com/issues/2006-07/rhf/index.php