Notice the suds! If they go away during the cleaning process, pour mixture out and start over.
Wet window with hose. Using a "clean" (this is important) car washing brush (with handle), dip the brush in cascade solution then scrub window and frame beginning at the top, rinse.
DO NOT PUT DIRTY BRUSH IN CASCADE SOLUTION, RINSE BRUSH OFF WITH HOSE FIRST!
Rinse each window and window facing before proceeding to next section (ie: if window is large, wash top, rinse and then do bottom.)
The object here is to rinse windows before solution dries. I can do the top and bottom of one window before I have to rinse. If your Cascade solution dries, you have to do entire window over.
I have 20 long windows on my ground floor. I can clean all of them in about 30 minutes.
Added benefit: this solution also gets rid of spiders living in your windows.
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