I purchased a house in the summer of 2001. At the same time, I also purchased one of those shower heads that immitate the rain. It basically extends 2 feet from the original nozzle, and drops the water over your head, like it is raining. Well, it worked great for about 5-6 months, then not so great. Now it comes down in the middle of the head (like a slow stream of water) instead of spreading the water out to all the holes. Any ideas why this might be? I did not make any changes to the plumbing. I also tried to clean the holes out, but they did not appear to be dirty.