Good Advice

[Kevy Baby]

Originally Posted by Disneyphile

Bon Ami cleaning powder is excellent for buffing car windows and also to remove tar and other sticky substances from car surfaces, including painted areas. However, don't use other "scouring powders" - Bon Ami is the only one that won't scratch a surface even with hard scrubbing.

I wonder if this will work on the hard-water stains on Susan's windows. I might give this a try.