don't know the age of the jugs, I shook the corked one and no liquid in it, I'll leave the cork in it for now, I open something in my cellar a few years ago, and a year later, the cellar was infested with spiders, been killing them for years haha, guess I should have cleaned them before I brought them in, on another note, I cleaned some in the back yard years ago and brought home devil weed, it spread all over, had to burn the yard to get rid of it, fought with it for 5 years