Forum Discussion

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...
ken56's avatar
ken56
Explorer
Jan 04, 2017
Pink stuff was 2.58 at Walmart. Why would you want to use auto antifreeze anywhere near where people (you) could come into contact with it and possibly contaminate counter tops that you will be touching. It don't take a lot of it to make you sick (dead)

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,335 PostsLatest Activity: Nov 13, 2025