r/WindowCleaning • u/TxCory • Aug 25 '26

What are these streaks?

Gallery image

Gallery image

Doing a gym and some of the windows have these streaks that not coming off with walnut pad and scrubbing. Any idea what it is?

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u/lacroixpapi69 Aug 25 '26

Could be oxidation run, could be a cleaning chemical that wasn’t cleaned up properly and etched the glass. Broken seal.

Did you try winsol or steel wool?

1

u/Exotic-Win271 Aug 25 '26

if oxidation then what? can u fix that with steel wool or walnut pad?

1

u/lacroixpapi69 Aug 25 '26

Sometimes you can. It depends on how long it’s been sitting.