Glass ?

[luckydawg]

'bout everything I have tried on glass / windows etc waterspots BADDDDDDDD

What's every one using that dont spot?

I have real hard & iron laced water-- might have to go with one of them filters on my spigot I'm guessing

[LostInTransit]

Its been my experience in using clay bar on glass with products like rain-X or even glass cleaner.

[The Guz]

You could try using the new invisible glass coating. It sheets rather than beads.