These cups are for mid - full grown chickens and regulate by their drinking so there is no excess water to spill or evaporate.
These cups work well for younger chicks because they are always full to the brim so they can...
I have made most of my own watering stuff but you can buy full systems premade at www.beaktime.com
They have answered a lot of questions for me when I was working on my 2 liter waterers and I did not even buy them from them.
An...