I want to degas my wine with a vacuum pump.But when i pump out the air, the carboy shrinks like in the photo and no CO2 come out of my wine.
If i use a glass carboy for this, can i suck out CO2 or is there another posible reason for not degassing?
Thank you..
If i use a glass carboy for this, can i suck out CO2 or is there another posible reason for not degassing?
Thank you..