Sodium chloride the most popular and most readily available deicer also known as rock salt.
Best type of salt for concrete.
It is also the most damaging as it will damage concrete and metal.
Exterior concrete must be kept clear of snow and ice for safety reasons we understand that.
However there is no such thing as safe for concrete de icing salts or chemicals.
All of these are safe to use on wood decks and asphalt i am addressing issue when these salts are used on concrete and vegetation.
Calcium magnesium acetate calcium magnesium acetate is another reliable and safe alternative to rock salt on concrete.
Concrete becomes damaged from de icing salts that are applied during the winter season.
The first winter for new concrete salt should never be used.