I know I would use marbles or rocks in the water dish. I don't know about the panting in little chicks. We have a huge brooder that is about 2 ft by 6 ft so our 13 have a warm end and big cool end where I keep their food and water. I have seen my 15 week old chickens pant when they get hot...
I can't tell from this picture but do you have marbles in the open water dish? If not you need to put some or rocks in the open dish. I've heard of a few losing chicks from them falling asleep in open dishes. I even put marbles in my chick water dish similar to the red one with the white tank...
After hearing about those that had their chicks lost in the mail and those that had loses due to weather and/or mishandling of the mail, I am worried. I placed an order for 10 chicks in November at My Pet Chicken with the delivery date the week of May 12th. We are in GA so I hope by then it is...