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Confuse Ants (Really!)

For some reason, ants hate to cross a line of chalk. Chalk also masks their scent, which can lead to confusion.

So if you get visited by ants from time to time, chalk can be a good line of defense.

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Via: Faithtap

Read more: http://twentytwowords.com/when-you-see-the-result-of-rubbing-chalk-under-your-nails-youll-have-to-try-this-trick/

Keep Ants Away With Chalk

Ants hate chalk and will almost never cross a chalk line. Useful for keeping them away from your house. Just your average crayola chalk right here.