Are DOWFlakes 77-80% Br free?

Randy Holmes-Farley

Reef Chemist
Premium Member
It is not an ingredient in calcium chlorides of various sorts, it is just present as a natural impurity from the source material, so isn't listed. So yes, it is there unless it is a very old batch.

That said, it is also likely fine to use, as long as you do ordinary water changes. :)
 
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