Alot of fly Fisherman use a squirt of WD 40 on their flys, its supposed to be a very good fish attractor !!!
No mention of fish here WD-40's formula is a trade secret. WD-40's main ingredients, according to U.S. Material Safety Data Sheet information, are: 51% Stoddard solvent 25% liquefied petroleum gas (presumably as a propellant) 15+% mineral oil (light lubricating oil) 10-% inert ingredients The German version of the mandatory EU safety sheet lists the following safety-relevant ingredients: 60–80% heavy naphtha (petroleum product), hydrogen treated 1–5% carbon dioxide. White spirit or mineral spirits (US), also known as mineral turpentine, turpentine substitute, petroleum spirits, solvent naphtha (petroleum) or Stoddard solvent, is a petroleum-derived clear, transparent liquid
