In a message dated 4/30/2009 3:03:16 A.M. Eastern Daylight Time, europa-list@matronics.com writes: A key notion, not mentioned previously is that when cleaning the plexi, first use copious water spray, then wipe with cotton with only LINEAR strokes. Hi Ira, Read my post regarding how we clean canopies from last week and you'll see that I recommended exactly what you say here regarding cotton cloths, water and linear strokes on plexi. In certain situations you can use denatured alcohol to get rid of really bad gunk on plexi, but use it sparingly. As I mentioned last week, we use Egyptian terrycloth hand towels for wiping plexi clean with water and only water. I prefer a soaked towel, followed by a dry towel, as opposed to using a spray bottle and a dry towel. I suppose which method you use depends on whether or not you have running water at the hangar. A word of caution regarding the use of Pledge, certain waxes and other similar products. It would probably be a good idea to test any product, Pledge, wax, etc, you want to try on your windshield on a scrap piece of plexi first. I've heard several tales of canopies becoming frosted after they reacted badly with something in certain furniture polishes like Pledge. There's no coming back once your glass is frosted. There's really no need to take a chance on furniture polishing products frosting your glass. Buffing plexi is really easy and if you learn to do it you can keep your glass looking brand new for years. FWIW, We've used the micromesh before. It doesn't seem to work any better than 1500 and 2000 Klingspor sand paper, followed by a good buffing, but it does cost more. Regards, John Lawton Whitwell, TN (TN89) N245E - Flying on the rare occasion the weather is decent. **************Access 350+ FREE radio stations anytime from anywhere on the web. Get the Radio Toolbar! (http://toolbar.aol.com/aolradio/download.html?ncid=emlcntusdown00000003)