I have read that DEF has a definite shelf life, and I've heard figures of around 6 months. Given that most of us don't use our motorhomes in the winter, or at least like in my case, only on relatively...
I have a question regarding the DEF. Would the reuse of the DEF bottles harm anything or is it OK? I have two empty from a recent trip and was thinking about\refilling them and keeping them in the basement storage. Thanks.