I would like to open this up to anyone who has experiences or thoughts regarding this topic. Any research or threads that have already covered this? I’m new, and very interested.
This has been discussed before on the forum. If you want to read the old threads on that you can always try the search function 
Many of the veteran users have spray phero’s that are several years old & the general consensus is that in alcohol medium the phero’s don’t break down. I’m not sure if the same was said about oil phero’s but if you dig up the old posts the info should be there