How to: Balloon CO2 collection (Bruloonlock)

[Braumeister]

Good instructions!

I use a mylar balloon, but my fermenter has a 1/2” Barb on the lid I use for a blow off tube, so I simply cut the valve off of the balloon, then insert a small piece of 1/2” silicone tube into it and wrap some duck tape around it.

Then you fill it with co2 before attaching it to your FV?

 

[DocAnna]

Then you fill it with co2 before attaching it to your FV?

Yes - if I'm good and remember to do so before fermentation is done then I do from the fermenter, but these days I generally just fill them from the cylinder.

 

[JockyBrewer]

Yes - if I'm good and remember to do so before fermentation is done then I do from the fermenter, but these days I generally just fill them from the cylinder.

Same here.