Where can you buy bedbug powder in elgin il?

You can search for diatamacheous earth or products that are composed largely of it like a dust called Alpine. it is natural and a slow kill but works. You will only be able to use it along walls, in outlets etc. You will have to buy an aerosol as well, no matter what dust you choose. There will be places like behind headboards, nightstands, mattress seams etc, that you can't treat with dusts. For these areas use a chemical free spray from ecosmart (non residual) it will kil them on contact.