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sjk8990 t1_j10z1tx wrote

I thought most road salt was KCl and not table salt, NaCl.

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ElleHopper t1_j11pput wrote

The EPAs website says that NaCl is most commonly used as rock salt, MgCl2 is less efficient so is typically not used, and CaCl2 is used only in vulnerable areas due to the expense of it.

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