Agree on Informed consent; however, in my understanding, add Poly in front of ethylene glycol, i.e. - PEG. That changes it radically in the chemistry world. So, it is appears on explanation, not anti-freeze. But, what do I know. Not that I am saying it is good. Ed

Edit - My Lovely Bride is a brilliant chemical engineer. She attempted to explain it to me; but, way over my head.