This article over at Savingsickfish.org has pretty much everything you’d wanna know about Oil of Cloves, Eugenol.
I have other articles on this in my drjohnson.com website AND other information on euthanasia in fish on Savingsickfish.org however THIS article below is “everything” about Eugenol and even a standalone product reviewed by the USFWS.
Eugenol Oil of Cloves Fish Sedation Euthanasia Definitive Resources
