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From: spp@ucbvax.BERKELEY.EDU (Stephen P Pope)
Newsgroups: net.consumers,net.misc
Subject: Re: Spiders Haters Unite (and roach haters!)
Message-ID: <13905@ucbvax.BERKELEY.EDU>
Date: Tue, 20-May-86 12:17:33 EDT
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Posted: Tue May 20 12:17:33 1986
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> As Cecil Adams has told us numerous times, the best roach killer and only
> active ingredient in Roach Prufe, etc., is boric acid.  Don't pay $10 a can
> for this, as you can get it much cheaper from your local chemist.

"Roach Prufe" is nothing but Boric Acid, however, it is an extremely
fine powder.  My guess is larger boric acid crystals would not
work as well.

steve