You can’t have water reliably below freezing without something like salt to keep it liquid? 0F is not serving the same purpose as 0C is. Not making an argument, just pointing out that they’re specifically after a liquid mixture that is below freezing for cooling things down to below freezing in times before refrigeration.
You can’t have water reliably below freezing without something like salt to keep it liquid? 0F is not serving the same purpose as 0C is. Not making an argument, just pointing out that they’re specifically after a liquid mixture that is below freezing for cooling things down to below freezing in times before refrigeration.