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Old 06-25-2012, 04:35 AM   #1
Jun 2012
Posts: 10

I have a Question. I got a northern brewer kit with a bubbler airlock. Instructions say to fill with star san which i did ( to max line). However it all seems to have foamed due to i assume the co2 creation. Do i need to keep filled or just leave it?

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Old 06-25-2012, 04:53 AM   #2
Feb 2012
Wichita Falls, TX
Posts: 83
Liked 2 Times on 2 Posts

I would just leave it, as long as the CO2 is escaping its a good thing. The star san may not be completely necessary, I have used plain water and also a cheap vodka. I would leave it and make sure the fluid stays at the max fill line.

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Old 06-25-2012, 04:58 AM   #3
Mar 2012
spokane, wa
Posts: 1,971
Liked 242 Times on 183 Posts

if there is foam in the airlock, your fine. If its all foamed out refill it.
My 3 piece airlocks often have some foam on the top of the cap.

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