Roach Killer

For anyone who has ever lived in an apartment and a stray roach has weaseled his little disgusting way into your abode from under a door that goes to the hallway - or from another door to the outside - you've been stricken with terror. "Did it lay eggs on my floor? Are there 160,235,263,678,432 more of them? Are they hiding? Where are they all?" It's a very scary thing, and extermination's a hefty price for only one visible roach, killed on sight, so here's a recipe for DIY roach extermination powder! 

[note!] #2 site!