C castillo Well-Known Member Joined Apr 28, 2008 Messages 137 Reaction score 1 Location Miami, FL May 24, 2010 #1 I have a 1000ml flask that takes a #9 stopper. But I can't seem to find a #9 stopper. I plan on making a yeast starter for my next brew in this flask. Any suggestions? Thanks.
I have a 1000ml flask that takes a #9 stopper. But I can't seem to find a #9 stopper. I plan on making a yeast starter for my next brew in this flask. Any suggestions? Thanks.
JewBrew Well-Known Member Joined Apr 25, 2010 Messages 175 Reaction score 2 Location Brooklyn May 24, 2010 #2 Cover it loosely with a rubber band an plastic wrap or tin foil.You could always go with the old fashioned hole-in-a-balloon air lock.
Cover it loosely with a rubber band an plastic wrap or tin foil.You could always go with the old fashioned hole-in-a-balloon air lock.
D demonrichie Well-Known Member Joined Mar 15, 2010 Messages 446 Reaction score 2 Location Kingston Ontario May 25, 2010 #3 take the flask wherever youd get a stopper and measure it right there. if it fits go for it
Sacdan Well-Known Member Joined Jul 15, 2009 Messages 861 Reaction score 21 Location Sacramento May 26, 2010 #4 Don't use a stopper when making a starter. Use a piece of snitzed foil. You want Oxygen to get in and Co2 get out.
Don't use a stopper when making a starter. Use a piece of snitzed foil. You want Oxygen to get in and Co2 get out.
wyzazz Well-Known Member Joined Aug 27, 2009 Messages 4,258 Reaction score 64 Location Atwater, OH May 26, 2010 #5 Loosely crimp a piece of sanitized tinfoil on that flask and you're all set!
RiverCityBrewer Well-Known Member Joined Dec 20, 2009 Messages 1,328 Reaction score 248 Location Cincinnati May 26, 2010 #6 I used a stopper one time for a starter, now its just foil as it is much easier to deal with when using a stir plate to allow for a good gas exchange.
I used a stopper one time for a starter, now its just foil as it is much easier to deal with when using a stir plate to allow for a good gas exchange.
OP OP C castillo Well-Known Member Joined Apr 28, 2008 Messages 137 Reaction score 1 Location Miami, FL May 26, 2010 #7 I was planning on a using a stopper with an airlock. Does oxygen not get in with an airlock?
wyzazz Well-Known Member Joined Aug 27, 2009 Messages 4,258 Reaction score 64 Location Atwater, OH May 26, 2010 #8 Nope, things get out not in with an airlock. Think of it as a check valve, it lets pressure out but not back in.
Nope, things get out not in with an airlock. Think of it as a check valve, it lets pressure out but not back in.
K k47k Well-Known Member Joined Feb 28, 2010 Messages 746 Reaction score 49 Location NY May 26, 2010 #9 an 8 1/2 stopper fits a standard 1000ml flask.