With Flagstaff’s early winter temperatures still fairly warm, there may still be time to doublecheck your winterizing skills. Review these 12 easy steps to make sure your RV and/or boat is prepared and protected. RVs and boats should be drained of fresh water. Grey and black water holding tanks should be dumped as well. RV antifreeze needs to be applied to the entire fresh water system. Add two to three gallons of RV antifreeze to the freshwater holding tank. You can buy antifreeze at … [Read more...] about Winterizing Your RV or Boat