History: - Got them Thursday evening at Farm & Home. I was told they arrived that day from Crackle. - Brooder crate with pine shaving, 18% Nutrena starter crumbles, water with a bit of Poultry electrolytes. Brooder lamp giving 95oF, set up in heated garage. They were all running around last night around 8pm when I went to bed. Cream was one of the most active ones. When I got up and checked them this morning the temp was 85oF in the brooder. They were not directly under the light or in a tight huddle. Cream was on the edge of the group farthest from the brooder light. All the other chicks woke up and started running around when I checked on them. Cream just laid on her stomach and stayed there. Her crop was still huge and she had fresh (still wet) poo under her vent. The vent itself wasn't dirty. She wouldn't take water or stand up. I put her under the hottest light in case she was cold. The other chicks' crops were small and had no poo on their buts. I had to do other chores and checked on her ~10 minutes later and she was dead. Laying on her side and in rigor. Was this pasty but or something else? Did she eat to much and damage something? Should I switch out the electrolyte water for plain?