Can you paint a bathtub with tremclad?

Yes, you can paint a bathtub with Tremclad, as it is a rust-inhibiting paint suitable for metal surfaces. However, it's important to properly prepare the surface by cleaning and sanding it to ensure good adhesion. Additionally, you should use a primer designed for porcelain or ceramic surfaces if the bathtub is made of those materials. Always follow the manufacturer's instructions for the best results.