Winter is here—and with it, the daily battle against ice-slicked sidewalks, front steps, and driveways.
You’ve probably reached for rock salt out of habit.
It's inexpensive, easy to find, and it works.
But here's the part many homeowners don't think about: more salt isn't necessarily better.
Traditional deicing salts can contribute to damage on concrete and metal, harm nearby plants and soil, and create problems for pets that walk through treated areas and then lick their paws.
The good news is that you don't always need a heavy layer of ice melt to make a walkway safer.
Sometimes the best winter strategy is much simpler: remove as much snow and ice as possible first, then use a small amount of traction material or deicer only where it's actually needed.
And before we get to the popular DIY ideas floating around online, let's separate what actually helps from what sounds good but isn't quite as simple as the internet makes it seem.
Why You Shouldn't Just Pour More Rock Salt
Rock salt is primarily sodium chloride.
It works by lowering the freezing point of water, which helps melt ice. But deicing salt doesn't disappear when the ice melts.
It can travel with runoff into soil, storm drains, and waterways.
University of Minnesota Extension notes that excessive deicing salts can degrade concrete, asphalt, and natural stone and corrode metals. Salt can also injure plants by causing dehydration and damaging roots and foliage.
That's why the old idea of “if a little salt works, more must work better” is worth forgetting.
More is not better.
In fact, using too much can simply leave you with more salt to clean up later.
What About Your Pets?
This is another reason to be careful.
Rock salt and other ice-melting products can irritate a dog's paws. Pets can also ingest deicer when they lick treated paws after a walk. Depending on the product and amount consumed, ingestion can cause anything from gastrointestinal upset to more serious salt or electrolyte problems.
And there's an important detail about the phrase “pet safe.”
There isn't a universal requirement that a deicer labeled “pet safe” meet one specific safety standard, according to the ASPCA. Products marketed that way may contain ingredients such as urea or magnesium chloride, but those products can still cause problems if swallowed.
So rather than assuming any particular product is completely harmless, think of all chemical deicers as something to use carefully.
The First Step: Remove the Snow
This may sound obvious, but it's one of the most effective things you can do.
Shovel early.
When snow is fresh and loose, it's much easier to remove than after it gets compacted and freezes into a hard layer.
Use a shovel or snow pusher to clear as much material as possible.
Then use a scraper to work on stubborn patches of ice.
University of Minnesota Extension specifically recommends shoveling, scraping, and sweeping regularly to prevent ice buildup and reduce the need for deicing chemicals.
This is one of those boring winter chores that can save you a lot of trouble later!
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