Hello. I'm a cheap bastard and am in the process of making a single-tier brewstand out of metal bedframes. It's actually coming along pretty well, but I'm worried that it is going to rust even though it will be stored in my garage. How to I prevent that? It has a brown color to it now. Do I have to sand that off? Or can I just paint over it with engine block paint? Does it need primer, first? Any advice appreciated.