CaCL2 and MGCl2????

[BigBadZoaDaddy]

I found 50# bags t my locals HD, this is the company
http://www.nasalt.com/
and this is there info on there MaG Chloride
"FreezGard's 100% Magnesium Chloride crystals"

what do ya'll think yeah or neah?

I have been dosing with it fomr a day or so.

 

[Acro76]

Neah...

I wouldn't use anything on my tank that is not at least food grade or pharmacy/scientific grade. They have no liability for any foreign chemicals getting into their products. Who is going to care if their ice melter has phosphate? Or iron? Or other metals?