Anything that can be used as sedation, can be used for euthanization.
The instructions are safe values regarding timing for estimation of fish weight to dose ratio until sedation. Stop the dosage as soon as you see the fish tip over to the side and immobile, allowing you to handle him for further observation.
I only suggested this because it's something I'd do myself (and have done) given
@Biff0rz circumstance. Instead of worrying about it everyday whether or not the CBB's condition will deteriotate.
Or I'd feel bad knowing I could have at least tried something spending $10 on a fish worth ten times that value, aside from sentimental value. He's had the fish for over a year and can hand feed him.
I mentioned earlier to try a cleaner shrimp in a QT tank away from the trigger fish, or copper as
@SlugSnorter ( LoL do you really snort slugs? How is the experience?) suggested before trying the sedation method. Remember the sedation is primarily for observation, and potential removal, because it certainly seems like a foreign object.
But I would do
something, anything proactive, anything rather than just wait. I don't like waiting in such circumstance worrying about a sentimental fish that I can hand feed.
It also helps you to learn about fish and potentially grow wiser in the hobby.
