Chlorhexidine
https://www.calvetsupply.com/product/Chlorhexidine-Solution-16oz/Disinfectants-and-Cleaning
http://www.jefferspet.com/products/chlorhexidine-disinfectant-gallon
$7 for 16 ounces, $12 for a gallon.
-Kathy
Back in the 90's one of my vets said that I should use Chlorhexidine, so that's what I use now. If you can find info on any either, or other antiseptics, please post here!
-Kathy