I am in the middle of an acid wash and for the first time, saw the pool light clearly. It looks like it was salvaged from an old shipwreck! The chrome plating was almost gone and the copper plating under that was awful. So I removed the platings to find the parts are cast brass. It really cleaned up nicely and I'm liking the look much better than chrome, even.
So what will happen if I put them back in - just plain brass? I could get them re-chromed but that's an additional cost and like I said, I really like the brass look more anyway.