Annette, I had the same problem with my bird cage. It started rusting within just a week of buying it. The store wouldn't replace it, and I had to really fight and get beligerent to get the manufacturer to replace it. But they told me to just throw the original one away instead of returning it.
I couldn't see doing that so I went to Lowe's and talked to one of the men working in the paint department. I was terrified of getting a paint with lead in it. (Had lost a bird once years ago due to buying a used and painted cage). Anyway. He told me that a few years ago all lead based spray paints were taken off the shelves. Now all spray paints are lead free.
I decided to take a chance and bought some. I gave the cage a good cleaning and then 2 good coats of spray paint. Now I have 2 cages, so when it's time to give the cage a good cleaning I put them in the one that is not being used at the time. They get swapped back and forth between the two cages about once a month. In 9 months I've never seen a bit of problem with my 2 birds.
So if your cage needs painting, get some spray paint. I used Valspar brand. A little more expensive but not a lot. And it's worked great so far.
Good luck with yours.
Add your voice to the conversation. Click here to answer this question.