Put Car Antifreeze in Fresh Water Holding Tank

by Carleton
(Columbus, OHIO)

How do I, or is it possible even possible, clean automobile antifreeze from an RV fresh water holding tank - so that it is safe to provide potable water!?

ANSWER: Greetings Carleton thanks for submitting your question on our Ask An RV Question Page.

Obviously you cannot use the water out of this holding tank because the Antifreeze that is used in cars is highly toxic and should never be used to winterize an RV.

The fresh water system on your RV needs to be cleaned out. My suggestion to you is if you know who manufactured the antifreeze is to contact the manufacturer and see what suggestions they have for you to get rid of the antifreeze in your fresh water system.

You may also want to contact the National Poison Control Center to see if they have any suggestions for you.

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This is one of the times where I really do not have any suggestions on how to properly clean this up, because of the potential serious health effects this could have if it is not properly done.

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RVing Al

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