Cleaning and Stain Removal - Problems cleaning sliding glass doors.

My husband had put white wall cleaner for his car in a Windex bottle (without telling me) and you can guess my problem...I used it on all our sliding doors in our sunroom. I have cleaned them several time with Windex since but they still have spots that the cleaner made on them and I cannot get them off. Is there something that will cut there the residue left from the cleaner that I can use?
Thanks for any help you can give me! :wall:

Some strong car cleaners contain mild acids to remove brake dust and other grim. If this is the case in your situation. I would try using a neutral cleaner on the glass. And if it takes it off then going back to the glass cleaner. Acids can etch surfaces, which can result in permanent or marring.

What neutral cleaner would you suggest?

Citris based neutral cleaners are the newest and one of the better cleaners i have seen come out. Just make sure that it is not a watered down version. In other words I wouldnt go and get the cheapest one you see. I would go to your local home improvement store and see what they have. I would apply let sit 10-15 mins..just do not let dry then remove.Do not be alarmed if it smears the glass. A follow up after it dries with glass cleaner will fix. This is the best idea i can think of at the moment. From what i can tell. There is most likely a residue problem left on the glass.

thanks...just one more question. Is there a brand that you would suggest?

As mentioned if the white wall cleaner contained an etchant such as sulfuric, hydrofluoric or ammoniumifluoride, the spots might be an etch. Certain alkalies such as sodium metasilicate leave silicate stains which are a deposit. Or the spots might be organic in nature, that is based on carbon compounds. I would try a light cerium oxide, or optical silica based slurry. Just mix the powder with water. The very finest pumice might work too. Just don't use a machine. Work on clean glass. Use a surgical huck cotton towel. These are aggresive but cannot scratch.

Henry Grover Jr.
Glass Tech Consulting
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