another thing to watch for is a ottle thats gone very opaqe, usually means its just about had it. I have gone away from c/a glues altogether simply because I cant get usable bottles, I ordered 2oz each of thin and med, and one was solid and the other syrup and both bottles very frosty looking. needless to say both got returned. The joys of country living I guess [:'(][:'(][&:]