Question Rislone DEF Treatment

[Neemer]

I was in Walmart the other day and ran across this stuff. Has anyone tried it or is anyone using it?

My DEF gauge is beginning to get a little squirrelly. I’m wondering if this might help.

 

[Nuktka#13]

I wouldn’t. Used in my Duramax. Nothing but issues since. Had it to dealer they ran diagnostics and could not find any codes.

 

[redbaron]

The gauge has nothing to do with quality of def, so no it won’t help.

If you have heavy crystallized then the fix it is to fill with fresh and let it remain full for a couple of days.

I tend to keep mine at the 20-50% range and after 5 years no crystallization