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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...
Trackrig's avatar
Trackrig
Explorer II
Jan 04, 2017
I've used the pink RV antifreeze in better than -55F and my water pump has worked fine year after year.

Bill

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