When do I open the nesters?

[Creativebydesign]

Hello,
I have six pullets about 8 weeks old living in there new digs with their outside run. I have the nester boxes blocked off because I did not want them to think it was a cozy bed. Q is ,When do I open them?
Thanks Mark

 

[fordmommy]

And I would open them around 16-18 weeks.

 

[will hunt for food]

Me too.

 

[Creativebydesign]

Okay great thats what I was thinking too, THANKS!!