Water spot remover for windshield

[JSFM35X]

What is a good process or product to get my windshield ready for a glass coating before the winter.

[Setec Astronomy]

Are you looking for a chemical to dissolve the water spots, or a polish?

[Bert]

Are you looking for a chemical to dissolve the water spots, or a polish?

Probably need both.

[JSFM35X]

Looking for a process and product that works

[Setec Astronomy]

The elusive glass polish...I remember seeing Mike Phillips saying that just before he left 3D he had worked to develop a glass polish that met his expectations, no idea where you can find out about his process, I guess there was a 3D forum? Oh wait, I found a video for you:

3D CAR CARE - Using 3D Glass Polish to Remove Scratches & Wiper Marks from your Car's Windshield - YouTube

[Dan]

Just hard water stains can be removed with barkeepers friend. It’s a lot better than most glass polishes I’ve tried. If you need real correction for scratches, Ceriglass is excellent.

[JSFM35X]

Not sure why my pictures are failing to upload. Any ideas. I’m trying directly from my iPhone.

[Anthony Orosco]

always try to dissolve first. soak towels in vinegar, lay on glass and after a few minutes agitate. this can be time consuming but the safest method to try first. As a last resort go with abrasive but extreme caution here cause you can permanently swirl up the glass if too aggressive.

[William_Wallace]

If you have a da and polish will work.

watch this video how this guy clean with bar keepers friend it’s a powered acid soap. For under 3$ lot of places carry it I tried it recently on the corner where I could get real good with machine and this guys on to something it worked really well. Tim is awesome dude.
SIMPLE SOLUTION! How To Deep Clean A Windshield and Repel Water [DIY] - YouTube