I had the same problem and tried everything, even a $16 bottle of something from the hardware store. I finally tried The Works that I bought from Walmart for about $1.20...amazing! I had to use it a few times at first to get it back to normal but now I quickly swish it every day and no more build up! Make certain you follow the directions. I assume if you leave it longer than it says it can damage the finish. ... View related article.
