Magnesium Chloride crystals by North American Salt

enash67

New member
My local Home Depot has a couple 50# bags of FreezGard's 100% Magnesium Chloride Hexahydrate crystals on clearance for $6/bag.

I know it has not been tested, but the bag cliams 100% Mag Chloride.

From their website:

" FreezGard's 100% Magnesium Chloride crystals deliver extreme performance - melting ice and snow down to -25°F/-32°C. The unique crystal shape works on contact to penetrate ice and snow faster than other conventional ice melters on the market. Plus, FreezGard is safer than Calcium Chloride on vegetation, concrete, metal, people and pets."

Any opinions?
 
Take a tablespoon of the flakes, disolve it in a liter of water, then test it for ammonia. If it appears to be negative, I would try dosing a little at a time and watch for negative effects like polyp retraction, sliming, ect.
 
Ok i will try that...if it turns out not to work then I have a cheap bag of ice melt...and in Chicago that will come in handy....
 
I cannot know if it is adequately pure or not without a detailed d chemical analysis. The 100% just says they do not add other ingredients, but there can still be a huge amount of impurities in that magnesium chloride. We have such an analysis for MAG flake and Dowflake, but not for most other brands.
 
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