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I believe you can also use boric acid, which is cheap and can be found
in powder form at most pharmacies. I think it will also control roaches.

Doug

> Date:    Sat, 7 Nov 2009 16:46:28 -0800
> From:    "Dr. Cheryl Thurber" <[log in to unmask]>
> Subject: Re: [78-L] saving an album/silverfish/silica gel
>
> I am giving my standard sliverfish reply.-Silica Gel.
> I learned this from an agricultural extension agent back in the  
> 1970s and i=
> t is a practice used by archives as well.
> =A0
> Silica gel is a granular product, you find it a craft stores for  
> drying flo=
> wers etc. It is about $5 a box,=A0or plastic tub. =A0I use this for  
> both bo=
> oks and records. If there is a problem sprinkle the silica gel in  
> the box w=
> ith the books or records, depending on the box size it takes about  
> a teaspo=
> on or tablespoon. Keep the box closed up and separate from other  
> items. Whe=
> n ever I set up a new shelf I spinkle it across the back and in  
> corners. I =
> also put this in boxes when moving and putting things in storage.  
> This cont=
> rols silverfish, and also is a humidity control (its main archival  
> use) =A0=
> This does not work on roaches, and I have not found a way to keep  
> them from=
>  coming in with boxes (any suggestions?). Silica gel is what=A0 is  
> in the l=
> ittle white packets found in electronic equipment boxes.=20
> I have zillions of both books and records, that have come from a  
> wide range=
>  of sources, and silverfish are not a problem for me because of  
> this practi=
> ce.=20
>
> Dr. Cheryl Thurber=20
>
> email: [log in to unmask]