I change them to horizontal nipple waterers at 4 weeks for eggers and 3 wks for CX if I watch them and they seem strong/big enough to do it. I elevate the waterers off the shavings by setting on a piece of wood or something, and show the chicks with my finger how to peck at the post in the...
The mfg will give you raising guidelines. I raised mine according to the guidelines on Welp Hatchery's website and they turned out great. Basically you leave food in overnight for the first I forget how many days, then remove. Also your protein level plays into this. Are you feeding 23%...