"Food Grade" is required for pickling or brewing, while "Industrial Grade" is for de-icing.
It is generally less corrosive to concrete when used as directed. What to Look for Before You Buy
It melts ice in temperatures as low as -25°F.
It pulls moisture from the air more aggressively than silica gel.
I can provide or price comparisons based on your needs.
The exothermic reaction can irritate skin or cause "ice burns" if handled with bare hands for too long.

