Airlock - S type
$1.99
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Airlocks are another one of those necessary pieces of equipment for every wine maker and homebrewer. S-shaped airlocks are the original airlocks for homebrewing and winemaking. They make it easy to spot fermentation activity, and have no pieces to lose.
The advantage of this type of airlock is that they have a smaller chamber so you can more closely observe the CO2 rising and therefore the rate of fermentation. S-shaped locks are best for longer secondary ferments and aging because the liquid in the chamber cannot evaporate as quickly as a 3-piece Airlock. They cannot be cleaned manually if they get dirty during the ferment. That is why many homebrewers prefer 3-piece airlocks for the active portion of the ferment, when the Krausen (foam) from fermentation might be pushed up into the airlock.
