I'm curious to know if anyone has installed poultry nipples on a metal bucket? I love the PNs that we have, but 2 summers ago when I first set up, I put them on a plastic 2.5 gal bucket. I live in New Mexico at 7500 feet, and the sun here is just brutal. Plastic becomes brittle fast. I've been watching my bucket fall apart bit by bit all summer long. So I'm wondering whether it is possible to install them on a metal bucket that might weather the elements a little bit better over time. Thanks much.