most effective poison cockroach
Why it's best: If you want the most effective cockroach killer, bar none, than Bayer Maxforce FC Magnum Cockroach German Roach Pest Control Gel Bait is the one for you. It works in two ways. When a cockroach feeds on it, just one feeding will kill the roach.
Bayer Maxforce FC Magnum Cockroach German Roach Pest Control Gel Bait is so effective, that a lethal dose will be consumed in one feeding, and if the gel merely comes into contact with a roach, it will still cause its demise. There is no other roach killer better than this.