A corrosion inhibitor works by creating a film on the metal to protect it while the salt still melts the ice.
"We have seen no significant and measurable impact to date." #yegcc
They've always been using some calcium chloride but both it and traditional salt increased last year in an attempt to get to bare pavement. #yegcc
Most cities using calcium chloride are using the same inhibitor that Edmonton used last winter, say officials. #yegcc
But everything has pros and cons, she says. #yegcc