They cool off through their feet, so try a wading pool with blocks in it for standing.my chickens are 8 weeks old. We are in NJ where temps were close to 97 today. They are in a run that has a tarp over, and when we put our hands in, its def cooler than being in the sun. BUT, i want to cool them down and yet they would not want to get mist on them, they didn't want anything to do with the frozen peas and corn in a plate of water, they don't seem to be into scraps either. what should I do? do you think as they get older, they will enjoy these things? They do have access to two water feeders at opposite ends of the run. Tomorrow I'll have my girls refill a few more times to keep the water from warming too quickly.
The OP has a method. I do as pictured.