Quote Originally Posted by Kirk Keyes View Post
There's a lot more hazardous things to worry about than the type of glycol used in a product... They are all so low in toxicity that it's a non-issue - for me. It's like worring about the differences in toxicity between KCl vs. NaCl.
Kirk, Ron,

Not to cause you guys extra work
but some people might not see how your (Kirk & PE's) two most recent comments on this meshes with PE's earlier comment:

Propylene derivatives are safe even as food additives but the Ethylene derivatives are deadly poisons and cause kidney failure.

Perhaps you could put this into perspective?