What exactly is lockdown?

[Mommi3130]

Can some please explain what exactly it is so I don't mess up my hatch? Thanks you

 

[shelleyb1969]

I believe what they're referring to with the term "lockdown" is the last 3 days of incubation, days 18-21. During this time, the incubator should NOT be opened at all. Opening the incubator during this time will mess up your temp and humidity...the humidity (in my opinion) being the most critical.