By Noreen Doll. For months I had an impossible to remove hard build-up on my glass stovetop. I tried everything I could think of to remove it, and nothing worked. I even used the stuff made specifically for that purpose. Nothing! I had read that you could gently scrape burned on stains off using a razor blade, so I tried that. I was able to get a little off, … [Read more...] about How to Clean Build-Up on a Glass Stovetop