How To Euthanize A Fish With Vodka. Let the fish stay there for at least 20 minutes. Using clove oil and vodka to euthanize oscar fish.
To freeze your pet, you need to freeze the water in a small bag until you make it mushy. It acts as an anesthetic and slowly knocks the fish out. Putting the fish into the cold water will numb it so it can't feel pain.
It acts as an anesthetic and slowly knocks the fish out.
Put a lid on it and give the container a good shake, until the water turns a milky white color. It acts as an anesthetic and slowly knocks the fish out. Do not do this while the fish is awake, as it will be very painful. Euthanizing a few fish won't cut it.