Double Bubble Airlock S-Lock with dust cap

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MSRP: $4.59
Price: $1.34
(You save $3.25 )
SKU:
BSG5000
UPC:
5.39224E+12
Shipping:
Calculated at Checkout

Product Overview

Double Bubble Airlock S-Lock with dust cap 

A double bubbler offers advantages that other airlocks simply can’t. It will show the difference between the inside air pressure and the outside air pressure (a great way to gauge fermenting activity), and it can also prevent “suck back” (a term used for when liquid in the airlock is sucked into the fermenter due to temperature changes). Not to mention watching the bubbles is a great way to pass the time while you’re waiting for your beer to complete fermentation.

Always sanitize (inside and out) before using. 

This air lock is meant to show pressure. Most of the time it is used for secondary fermentation where the pressure coming out of the secondary fermentation is slower (or not as strong) then in primary. A great way to use these is with wine. The way to use it with wine is, after you add your stablizer to kill the yeast you will see the water start to equal out making it clear when no more CO2 being released, meaning that the yeast has been killed. (Of couse, always confirm fermentation has ended with a hydrometer)

Normally we do not recommend these airlocks for primary fermentation (or at least with beer) for a few reasons. One reason is that they are hard to clean out in our opinion. If you have a vigorous fermentation and beer or wine get into the acutual airlock they can be a pain to clean out. So in our opinion, these serve best for secondary fermentation or long term aging.

What Size Rubber Stopper Fits What?

#000 Stopper fits and plugs the airlock hole in a drilled stopper so it can be used as a solid stopper 
#2 Stopper fits standard wine bottle or beer bottle opening 
#6 Stopper fits wine making and beer brewing industry ½ and 1 gallon jugs
#6 Small-Mouth Gallon Glass Jugs, with 38mm Thread-Down Lids  
#6.5 Stopper fits standard 6.5 gallon glass carboys 
#7 Stopper fits standard 3, 5, 6 and 6.5 gallon glass carboys 
#8 Large-Mouth Gallon Glass Jugs, Quick Quarter Turn Lid 
#10 Stopper fits standard 3, 5, and 6 gallon plastic carboys 
#10 Stopper fits 6.0 or 7.0 Gal. Fermonster Large-Mouth carboys 
#11 Stopper fits Demi Johns (14.25 Gallon Glass Carboys) 
#11.5 Stopper fits most oak barrels 

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