3 ms·

Here in Sweden tiny sharp rocks, known as grit, are thrown on top of the forming ice. Works wonders

• SamuelAdams 7y ago
  Interesting! Can you link to any examples / info about grit? Maybe an amazon product page or something too?
  • nkrisc 7y ago
    It's probably just sand.
    • timc3 7y ago
      I don’t think it is.
• timc3 7y ago
  That might be because salt loses effectiveness below -10C