1/2 C ammonia
2 C 70 percent rubbing alcohol
1t liquid dishwashing detergent.
Add enough water to make one gallon
I made a quarter batch in a qt measuring cup then poured into. 13x9 Pyrex for use. None of my buckets are big enough.
This recipe is from http://lancaster.unl.edu/home/articles/2003/windowcleaning.shtml
Only issues were drippy washy thingy and being diligent in wiping edge of squeegee.
Windows are sparkly!