Antifreeze

I purdhased Sierra Propylene Glycol, which is the same chemical formulation at ACE Hardware Special Order, nest day delivery.

Sierra is touted as resisting foaming as well as being low in toxicity.
 
Google prestone, or call local parts houses, car quest, napa, advance auto, pep boys, etc. Why the lo-tox?
Paul in CT
 
I have a foaming problem with regular antifreeze. Lo-tox solved the problem. googled prestone and could not find lo-tox mentioned. wii try to find sierra. thanks guys.
 
Did you know it takes special equipment to test the freezing point of Propylene Glycol? Normal anti-freeze tester doesn't give the right answer.
 
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