Recreational Vehicles Where do I pour RV antifreeze? March 2, 2026 by Tanp | Leave a Comment You should pour RV antifreeze into your RV’s freshwater system, specifically into the freshwater tank and then running it through the pipes, faucets, and toilet. This process is crucial for winterizing your RV to prevent freezing and damage during colder months when the RV is not in use. Why Winterizing Your RV with Antifreeze is […] Read more ยป