Put 1 Glass of Salt in Your Car: The Surprising, Science-Backed Hack Every Driver Needs to Know

Replace or refresh every 2–4 weeks (when salt clumps or dissolves)

💡 Pro tip: Cover the top with a coffee filter or paper towel secured with a rubber band—lets air in, keeps dust out.

🔬 Why This Hack Beats Store-Bought Solutions

💵 Cost

Pennies

$15–$30

🔋 Power Needed

None

Some need charging

🔁 MaintenanceContinue reading…