Ok so today we got our bass pans for our DCN thanks to my hubby he also bought us 4 new water bottles that are the kind I wanted cause the new boys have one and it doesn't leak! they were a bit expensive at 13 bucks a piece! anyway...back to what I was asking haha so the pans are metal and all the ones I have seen in pictures are painted. My question is, do I have to paint them? Is that part of them not rusting and becoming yucky or do people just do it for looks?