Kitty ping!
Dang. I got nothin' then.
The solution costs a few cents more these days due to demand, but you can find it if you ask around.
It comes in a box marked .22 caliber. You can pick up 500 doses for about $15.00. If you place the first dose correctly, you’ve can save the others for other cats.
Did I mention I like dogs? I like dogs.