Magnesium Sulfate or Chloride?

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PrettyFishies

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Hi all,

Looking at bulk reef supply magnesium and am trying to decide which to buy. What's the difference between the two?

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Although I cannot answer your question, I would absolutely avoid adding sulphur to any tank with a DSB. H2S gas can be produced in the anerobic bacteria areas.
If you don't have a DSB then don't worry about that factor. It's a non-issue.


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Sulfur and chlorine are neither good for your tank. You can get pure magnesium from your lfs.

What supplement are you referring to? I've never seen a "pure magnesium" supplement that wasn't bound with either chloride or sulfate.
 
It says right in the ingredients that it's made from a blend of magnesium chloride and magnesium sulfate.
 
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