Tiny, is "Dielectric" gel being referred-to above?
It seems not. When I read "Gel" that's what came to mind. I didn't re-read the complete thread. My bad. I've always called the colored films by other names. To me "Gel" is stuff like Vaseline.
Save a life, adopt a senior shelter pet. The three main causes of blindness: Cataracts, Politics, Religion. Name your dog Naked so you can walk Naked in the park.