Cloudy spot on window? ??

I used this stuff on my windshield, it had some nasty w/w scratches and they came completely out!! It takes a few weeks to get here (US) from China or wherever but it's worth it. You can but it in the US but it cost quite a bit more: Treblig

Scrach Glass Polishing kit Remover 8OZ Cerium Oxide Powder Wheel 3'' Polishing | eBay