Kroil can be ordered directly from the manufacturer.

www.kanolabs.com

One of their biggest customers is the US government, so they don't do a lot of retail sales. They sort of stick to the industrial and government market. Kroil was in the supply system of every USAF base where I served, worldwide.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!