I'm sorry Ciel didn't make it, he was so pretty!
But yeah, I had a couple of the tetras in my new community/sorority tank not make it past a day, and I took them back along with a water sample. They didn't require it, they offered to test it and said it looked good. I left with two new tetras.
The Boy Feesh: Indigo CT, Lavatail CT, Ghost CT, Chicory HM, Redfish VT, Magic DT
The Girl Feesh: Christmas CT, Shine VT, Snowflake CT, Stripes VT, Midnight CT, Grif VT, Tangerine VT, Wraith CT, Amethyst VT, Ice CT, Poe CT, Turquoise II CT