We keep a spray bottle filled with the solution below on the counter and use it as needed. We apply sealer once a year.
•1/2 cup rubbing alcohol•2 cups water•8 drops dawn dish soap
Charles-
If replacing the window is an option, then Pella Designer Series windows are available with triple-pane glass and removable miniblinds or shades inside a glass hinged panel. The blinds or sh ... read more