If a product can kill a cockroach it is probably not good for
humans either. Many pesticides are extremely harmful to the
human nervous system, so safer, nontoxic remedies are a wise
choice. Boric Acid, a white powder mined from the Mojave Desert
in California, is nature's proven insecticide for long-term
elimination of Cockroaches, Palmetto bugs, Waterbugs, Ants,
Silverfish, Carpenter Ants, and Termites. Boric acid is also
acts as a preservative and a fire retardant. The first use of
borates as an insecticide was in 1922 when P.F. Harris invented
the Roach Tablet. It evolved into many products including
today's "Roach Motel". By 1985 there were over 200 registered
pesticides containing borates. In 1955 framing lumber in New
Foundland began being treated with borates to control an
epidemic of termite destruction. Since then, none of the homes
using borate treated wood has had any infestation of termites or
wood decay. In the 1970's Europe and the US began studying
borates for wood preserving properties. There