A sailor here used cheap vodka for water lines. Said he had no fears come
spring about drinking from the lines.RonWild CheriC&C 30-1STL
On Friday, January 7, 2022, 09:50:42 AM CST, John Read via CnC-List
<cnc-list@cnc-list.com> wrote:
A quick internet search indicates caution using windshield washer fluid in
potable water lines. Most fluids use methanol also known as methyl / wood
alcohol to prevent the freezing. Methanol is highly poisonous and can cause
blindness. It may be ingested through air, skin or mouth. May also be
corrosive
The water system antifreeze are usually based on propylene glycol which is
considered generally safe unless ingested in large quantities. Propylene
glycol rarely causes toxic effects, and then only under very unusual
circumstances. Propylene glycol is a Generally Recognized as Safe (GRAS) food
additive that is widely used in cosmetics. In certain medicines, cosmetics, and
food products, propylene glycol acts as solvent.
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