Dear Heloise: I keep a spray bottle filled with isopropyl alcohol that is set to shoot a stream -- not a mist -- at any cockroaches I see in my house. The alcohol is absorbed through their exoskeleton ...
“We actually recommend boric acid to deal with these and many other pests,” says Dan Bailey, president of WikiLawn. “Boric acid powder can be placed outside or inside, wherever roaches traffic.
DEAR HELOISE: I keep a spray bottle filled with isopropyl alcohol that is set to shoot a stream — not a mist — at any cockroaches I see in my house. The alcohol is absorbed through their exoskeleton ...
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