Pepper Spray Shelf Life

This is a discussion on Pepper Spray Shelf Life within the Defensive Knives & Other Weapons forums, part of the Defensive Carry Discussions category; I have one that's about 8 years old. Is there a shelf life for this stuff?...

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Thread: Pepper Spray Shelf Life

  1. #1
    Senior Member Array Rotorblade's Avatar
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    Pepper Spray Shelf Life

    I have one that's about 8 years old. Is there a shelf life for this stuff?

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  3. #2
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    Array RETSUPT99's Avatar
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    I replace my every 2 years...especially the ones left in the car...makes for good practice on windy days.
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    VIP Member Array NC Bullseye's Avatar
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    Most manufacturers recommend replacing ever 2 to 4 years.

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    Distinguished Member Array Knightrider's Avatar
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    If I carried spray, I would change it once per year.
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    Pepper Spray Shelf Life

    Mine has a use by date on the side of the cannister. I have two that are good for another 15 months and 1 that is a year out of date. Yes, the old one's are good for practice.
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    Senior Member Array psychophipps's Avatar
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    I would swap every six months. This makes sure it's nice and fresh and gives you biannual refresher experience with the spray. If you swap brands or models, buy at least two and use the extra(s) for the same familiarity training before you carry it.

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    There is shelf life, expiration date and an issue with them losing their ooomph in terms of how far they spray over time.

    I'd say two years is about it for most.

    Added, after, just looked at psychophipps' post--he has a point about changing out each 6 months and using that as an opportunity to practice.

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    With the smaller keychain units you should stay pretty close to the expiration date.

  10. #9
    Member Array Munch's Avatar
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    Quote Originally Posted by Hopyard View Post
    There is shelf life, expiration date and an issue with them losing their ooomph in terms of how far they spray over time.

    I'd say two years is about it for most.

    Added, after, just looked at psychophipps' post--he has a point about changing out each 6 months and using that as an opportunity to practice.
    Good advice. We had our own brand of pepper spray and our shelf life was 5 years. We had a dry fog style that was not mechanically charged like a liquid product is. Mechanically charged cans are actually losing the pressure slowly especially, after being used, but fool you into thinking that they are still full because of the liquid carrier that is used in most all OC products.
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  11. #10
    Member Array 9mmPro's Avatar
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    test the outdated ones on yourself (just kidding) most pepper sprays are still effective 1 year after the expiration dates(dont ask how i know).
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