Head room?

[Bubbles2]

Thanks for looking in,
How much head space should I leave for a Stout?
12oz bottles

What is Blushing the Bottle?

 

[jalc6927]

Don’t know what blushing is.

If you use a bottling wand it leaves the right amount of space automatically

 

[brewgar]

If your bottle has head room, then that's a blushing bottle.