How To Restore Grout-Right the easy way. I found this little bottle of Tile Guard at a local home improvement store. Since the price was right, under $5.00, I picked it up. It’s been sitting in the cupboard under my sink for months. If I had known how easy it would be I would have tackled this job a lot sooner
"That’s right, a lemon! I just cut it in half and use the actual lemon to scrub the hard water stains on any fixture. I’ve even used it to remove rust stains from a bobby pin I left sitting in the shower. Like I said, just rub the lemon on the fixture and rinse. The spots will magically disappear before your eyes and you’ll be left with this!"