Order a bottle of copper sulfate from Presque Isle. Take two glasses and pour two ounces in each. Place 3-5 drops of CS in one glass and swirl and let it sit for five minutes..then smell both glasses. Is there a stink on the untreated wine and not on the treated wine? If so, you have H2S and...
The best approach I have found is to use a single blade razor scraper(window cleaner type) under running hot water. When the paper is removed sprinkle comet cleaner on the residue glue and scrub with a steel scrub pad.