That's the idea, use the circulated ones for pre lock down and the still air for lock down.. I'm in the market for a fan to add to it just because... Checking eBay and elsewhere. I just didn't need another egg turner. Price difference of 80 or 90$ for the one without the fan and egg turner. Even if I pay 20 for a fan I'm still coming out better.
I also think this is a great idea...I may have to use it!
Do a lot of people do this or just something a few have thought about or actually do?
Does it have any effect on your hatch rate?
You've piqued my curiosity!