Forum Discussion
Bumpyroad
Aug 23, 2017Explorer
siggyd777 wrote:
I just DUMP the black tank , close the valve & put a 1/2 gal. of
RV antifreeze down into the toilet. Never had a problem in cold
Chicagoland. I do the same for the gray tank by putting antifreeze
in every sink / shower trap.
Siggy
he's not talking about winterizing the black tank. he is winterizing the black tank sprayer.
bumpy
About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,251 PostsLatest Activity: May 17, 2025