At what kind of retail/drug store can you find magnesium chloride to melt ice?

Question

Salt just won't work right now... the ice is nearly 2 inches thick and salt will not bring it down. I need something more powerful. Where can I find magnesium chloride?

Answer 1

i suggest using calcium chloride, is easier to find with the same results.  any Lowe's or Home Depot carries different brands as well as most gas stations