Quote:
Originally Posted by chedder
We had a really old, like 2012, can and we sprayed it off last summer. The wind shifted a bit and I got the smallest amount in my face. It still worked. I'd hate to feel the full effects of a new can because that tiny amount and I was cryimg, snotty and coughing like crazy.
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Is it the chemicals in the spray that go bad or the propellant that goes bad? I always thought it was the propellant that expires.