Quote:
Originally Posted by jimbuna
I could be wrong but as far as my understanding goes, rock salt ceases to work at temperatures below -5 or -8 degrees  |
Depends for what, in mild temperatures it will speed up melting and make it easier to scrape off the ice. However, even at -20 celsius, it will still melt through the ice and give you increased traction. I use it on my driveway during the winter.