use an overdose of this stuff... MS-222
remove octo to small container with its own water and add an overdose, said to be the kindest way for aquatic animals
http://www.argent-labs.com/argentwebsite/ms-222.htm
remove octo to small container with its own water and add an overdose, said to be the kindest way for aquatic animals
http://www.argent-labs.com/argentwebsite/ms-222.htm