http://www.fermentap.com/valvekit.html
Does any one use one of these or have any comments as to its effectivness?
It mentions CO2 purging from primary to secondary, I'm not sure I'd trust it's working if I can't see it.
Does any one use one of these or have any comments as to its effectivness?
It mentions CO2 purging from primary to secondary, I'm not sure I'd trust it's working if I can't see it.