What advice/products do pet stores offer for euthanizing fish?

I know many folks here have had experience working in the pet store industry, including for some of the big box store brands. I'm curious if pet stores ever provide employees with training abouot what to recommend when a fish needs to be euthanized (either for health reasons or because the owner can no longer keep it)? Do any stores sell products for this purpose? In discussions where clove oil and MS-22 came up, I don't remember anyone saying you could get them at a pet store.

Just remembered and looked up that program that was supposed to educate against releasing pets to the wild: Habitattitude. I know that was launched quite a while ago, but doesn't seem much is happening, at least on the website. On the page about alternatives to release, all of the links look like they should have good info, but they just lead to "Coming Soon" pages. Latest things posted on their news page are from 2006.

One of their recommendations is "Contact veterinarian or pet retailer for guidance about humane disposal of animals". If you contact a pet store about humanely disposing of fish, what are they likely to tell you?

Jase, your macabre attraction to topics of death is creeping me out a bit
You don't have anything strange in the basement freezer do you?

Not that I have ever experienced a customer asking advice on this topic (though I often take fish in to adopt out to new homes), but I will say that the large chain pet retailer that I happen to work for does have a procedure for humanely euthanizing fish with the use of MS-222, should the need arise, and the proper chain-of-command protocol is followed.

I have heard from one of my coworkers (who used to work for the OTHER large pet retailer) that they euthanize their fish by subjecting the fish to water mixed with baking soda. I was told that this somehow asphyxiates the fish. Logically it seems though, that it is just an extreme way to osmotically/ph shock the fish to death, which doesn't seem humane at all (to me at least, not an expert though).

I only speak from secondhand knowledge about the store I don't work for, though. I could be entirely wrong.

I asked this question at another forum I'm a member of. I got two no training what so ever with some pretty horrific stories about store policies, one manager who was the only one authorized to euthanize store fish and only ever has done a handful because they get pretty healthy stock and one not allowed to euthanize or tell people how to because there was not a vet present and it was illegal.

we used clove oil at a pet store I worked at. This can get expensive. If we were out we would put the fish and some water into the freezer

Not that I have ever experienced a customer asking advice on this topic (though I often take fish in to adopt out to new homes), but I will say that the large chain pet retailer that I happen to work for does have a procedure for humanely euthanizing fish with the use of MS-222, should the need arise, and the proper chain-of-command protocol is followed.

I have heard from one of my coworkers (who used to work for the OTHER large pet retailer) that they euthanize their fish by subjecting the fish to water mixed with baking soda. I was told that this somehow asphyxiates the fish. Logically it seems though, that it is just an extreme way to osmotically/ph shock the fish to death, which doesn't seem humane at all (to me at least, not an expert though).

I only speak from secondhand knowledge about the store I don't work for, though. I could be entirely wrong.

I've heard the exact opposite, that viniagar is the way to euthenize fish.

I bet motor oil would work too. I don't see how an acid bath can be considered "euthanizing." I think you'd do better to just put them in a blender. At least it's quick.

It seems like the big stores typically just let them die in the tanks. I'd be impressed if I walked into a chain store and didn't see dead fish in the tanks, let alone sick ones.

Blender huh?
Well I see this thread has done it's job. I think there are as many ways to kill a fish as there are to keep one alive.
I'm closing this thread.