Better late on this reply post than never
. I've been freezing water-filled milk jugs. Then I place them tipped, no lids, in a tray in the yard so as the water melts it provides cold water for quite a while. Then later in the afternoon when we are home from work we replace them. The hens run to this cold water each time it's put out. They drink and step in it.
Of course this is in addition to constant fresh water and fans. Texas is hot and the hot weather has come early this year!
When you work, it's not always possible to do mid-day stuff so you have to be inventive. So far, so good, my girls have been surviving even with a heat index of 107 last week! Although egg production is down.

Of course this is in addition to constant fresh water and fans. Texas is hot and the hot weather has come early this year!

When you work, it's not always possible to do mid-day stuff so you have to be inventive. So far, so good, my girls have been surviving even with a heat index of 107 last week! Although egg production is down.