This study found the baited traps to be unsuccessful.  In the end, the
Silverfish will find alternative food. The boric acid acts as a repellent
when mixed with oat bran. Best Ann

Efficacy of Commercial Baits and New Active Ingredients Against Firebrats
and Silverfish (Zygentoma: Lepismatidae) | Journal of Economic Entomology |
Oxford Academic https://academic.oup.com/jee/article/105/4/1385/789159


Ann Frisina (she/her/hers)
Senior Textile Conservator
Minnesota Historical Society
345 Kellogg Blvd. W.
St. Paul, MN 55413
651 259-3385







On Mon, Nov 2, 2026 at 4:52 PM 'Kaylee Pinola' via MuseumPests <
[email protected]> wrote:

> We purchase ours from Solutions Pest & Lawn
> <https://www.solutionsstores.com/dekko-silverfish-packs?srsltid=AYCX9vI-jQV765XbwR6IT7DPEx2AknaJ333-HOA7iHKKMPKCr3f0aeeD>.
> They also sell sticky traps at a very reasonable price.
>
>
>
> *Kaylee Pinola*
>
> *Registrar*
>
> Charles M. Schulz Museum
>
> (707) 284-1283
>
>
>
>
>
> *From:* [email protected] <[email protected]> *On Behalf
> Of *Katey Leard
> *Sent:* Monday, November 2, 2026 2:45 PM
> *To:* [email protected]
> *Subject:* Re: [PestList] Silverfish Dekko Paks - Thoughts?
>
>
>
> Hello All!
>
>
>
> Many thanks for all of your insights and information. We do use Dekko
> Paks routinely and have good housekeeping. Fortunately, our silverfish
> population is minimal. However, I was curious about what others thought as
> in my experience using them, I found minimal interaction with the paks and
> felt uncertain about their effectiveness. Based on the advice above, I will
> try placing the paks inside the monitors and see how that goes as they are
> usually placed at the mouth of the monitors.
>
>
>
> Additionally, sometimes Dekko Paks are out of stock online and only
> available through Amazon, which I prefer to avoid. If anyone has a
> preferred vendor in the United States, that would be great to know as well!
>
>
>
> Best,
>
> Katey
>
>
>
> On Tue, Oct 27, 2026 at 3:23 AM Voron, Joel <[email protected]> wrote:
>
> The active ingredient is built into a corrugated “wafer” of paper ( I
> can’t imagine much if any would ever aerosolize)I have used them under
> sticky traps. Also larger (6x4) sticky cards elevated with pennies and
> placed glue side down in dark areas is an old trick I was taught by  Mr.
> Tom Parker that works quite well for catching silverfish. JTV
>
>
>
> Get Outlook for iOS <https://aka.ms/o0ukef>
> ------------------------------
>
> *From:* [email protected] <[email protected]> on behalf
> of Jennifer Sainato <[email protected]>
> *Sent:* Monday, 26 October 2026 20:28:29
> *To:* [email protected] <[email protected]>
> *Subject:* Re: [PestList] Silverfish Dekko Paks - Thoughts?
>
>
>
> *[CAUTION: This message originated from outside the Foundation. Do not
> click links, open attachments or take action unless you know the contents
> are safe]*
>
> Hi Katey—
>
> I haven’t worked with Dekko Silverfish Paks, but a serious problem with
> using boric acid is that as it disperses due to ventilation and foot
> traffic, it can cause damage to human lungs and result in particulate
> matter on collections that can scratch and irritate the objects and the
> hands of future handlers if they are not warned to wear hand protection.
>
>
>
> This form of application contains the powder better than loose
> application, but there’s no data on how much particulate boric acid from
> these traps actually ends up being released from the trap and whether it is
> then able to transfer to objects and visitor lungs. It should absolutely
> not be placed in contact with objects. If you use it like a sticky trap,
> please be aware that it’s not sticky. The silverfish will not be trapped in
> the pak, and you will need to step up your housekeeping to deal with insect
> bodies that could in turn lure other scavengers.
>
>
>
> You can find the SDS here:
> https://www.freedomforcepest.com/wp-content/uploads/2023/06/Dekko-Silverfish-SDS-3-7-16.pdf
>
> Use gloves when handling the paks. Handling them up is not recommended for
> people with respiratory issues or people who are pregnant. Make sure that
> they’re sealed in a closed bag when disposed of, and be aware of the
> deleterious effect on the larger environment that comes with using and
> disposing of boric acid when you measure the pros/cons. I am neither an
> industrial hygienist, an entomologist, nor a conservation scientist; please
> take these statements as general guidance and ask an expert if you have
> specific questions.
>
>
>
> Have you looked into whether there are water sources in your collections
> spaces?
>
>
>
> Good luck with your silverfish challenge!
>
>
>
> Jennifer
>
>
>
> On Oct 22, 2026, at 4:12 PM, kleard <[email protected]> wrote:
>
>
>
> Hello All,
>
>
>
> I am reaching out to this group for opinions and thoughts on the use of
> Dekko Paks (20% Boric Acid) for the management of silverfish in collections
> storage and galleries?
>
>
>
> Any information would be greatly appreciated.
>
>
>
> Best,
>
> Katey
>
>
>
> --
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>
> --
>
> *Katey Leard*
>
> Collections Care Assistant
>
> Pronouns: They/She
>
> English/Español
>
>
>
> Fine Arts Museums of San Francisco
>
> de Young \ Legion of Honor
>
>
>
>
>
> Email: [email protected]
>
> Phone: 415 750 7697 <(415)%20750-7697>
>
> www.famsf.org
>
>
>
>
>
> --
> This PestList and the MuseumPests.com web site are made possible due to
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> Your donation to help this resource continue would be greatly appreciated.
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> Please consider a donation donating at https://givebutter.com/MuseumPests
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