I have the same problem. I have been in my home 33 years and only over the past 5-7 years have I had this problem. I have bought solid brass chain it corrodes through. I then bought galvanized wire and rigged it up to work and they still corrode about every 6-8 weeks. I am really frustrated. Someone suggested rubber and my mind is in overdrive trying to figure how to do that. I just ordered new parts for this time. This is the replacement for mine if anyone has any ideas on use of any material but metal or brass.