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Pops_R's avatar
Pops_R
Explorer
Jan 04, 2017

Using Automotive Antifreeze in Black Grey Water Drains

Is there any harm in using the Automotive antifreeze in the gray water drains? I understand it is toxic and why why we use RV Antifreeze to winterize, but do not know if there is any concerns to da...
2oldman's avatar
2oldman
Explorer II
Jan 04, 2017
TucsonJim wrote:
Bill, he's asking about using it in the holding tanks,
I thought he was asking about the drain traps. I guess I don't know what a 'drain line' is.

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