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cowdoc
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The op said it was a Sawyer product so I assumed it was permithrin spray or soak. Just saying...
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boonie
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cowdoc: "The op said it was a Sawyer product so I assumed it was permithrin spray or soak. Just saying..."
FYI, they also make a picaridin repellant cowdoc.
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Richwon4
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I have some good Sawyer Repellant that is two years old. Does it lose its potency over time?
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mgraber
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If it is DEET I doubt it. I have used DEET products that are over 10 years old that worked like new.
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Captn Tony
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I have used 25 year old deet and it worked fine
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Jackfish
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A simple Google search confirms what mgraber says. Insect repellent with DEET will be effective for several years. Here is what I found.
I guess the worst case scenario is you bring an older can of bug spray and it ends up not working very well so you throw it out when you get home and buy a new one before your next trip.
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boonie
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Here's the answer I got from maker:
Repellents containing the active ingredients DEET or Picaridin will not expire unless there is: physical damage to the container (i.e. rust and significant denting in aerosols or slits in pump spray containers), wipes have dried out, or the product contains sunscreen. If the product contains sunscreen it will have a shelf life of 1 year.
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