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Airlock S-Bubble type

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Airlock S-Bubble type

SKU: 7008

This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter.

Fill to line with boiled water or sanitizer to create a closed system, which allows CO2 to escape, but doesn't allow air back in to contaminate your wine or beer.
$1.99
OR
Description

Details

This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter.

Fill to line with boiled water or sanitizer to create a closed system, which allows CO2 to escape, but doesn't allow air back in to contaminate your wine or beer.
Details & Instructions

Additional Information

Height 6 3/4"

Reviews
4.8 / 5.0
124 Reviews
5 Stars
4 Stars
3 Stars
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1 Stars
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3 piece worked better for me
5 batches went just fine with the 3 piece, but when I bought a second carboy I thought I would try one of these. Broke after I finished my very first batch with this style. I know that the seal between the plastic and the rubber stopper was dry but didn't think this would happen.
October 3, 2011
Works well, Good design
Unbeatable airlock for the money. It is hard plastic so it is much safer than the glass alternative. Cleans up relatively easy so its shape. Also speaking of shape, as long as you fill it up to the correct level you shouldn't have any problems sucking the liquid in or out of the lock. While it doesn't slide in and out of the bung plugs as easy as the glass lock, the safety factor is worth it.
February 8, 2013
Best Airlock Ever
I have both the 3 piece and S style airlocks and I love the S style airlock. The main reason being that you can very easily see when primary or secondary is under pressure (like it should be). It's also easy for counting bubbles. The only downside is cleaning it takes a bit more time.
August 23, 2013
good airlock for the money
Airlock works but I still prefer the 3 piece airlocks as long as you don't loose one of the pieces. But overall this airlock works fine and is cheap
August 28, 2013
Excellent
This was my third airlock I purchased from MidWest. I use it regularly to make cider and special wines. I have no problem with this airlock
February 12, 2013
best airlock
this the only airlock i've ever used and it is great!!
January 11, 2016
Works
You really can't go wrong when buying an airlock. For most purposes, a 3-piece or S will work just fine. I have read that S will evaporate slower so is more suited for long term fermentations, but I have had equal luck with the 3 pieces not evaporating fast. These are so cheap, no reason not to pick up a few.
October 4, 2013
The best value
If you want a simple, inexpensive airlock that won't allow the liquid to back up into your brew, this is it.
February 16, 2013
Good for better bottles
This air lock works well with Better Bottles. Better bottles flex and pull in air when lifted and this air lock can handle that. The 3 piece will suck in liquid in addition to air. I use them when aging beer.
October 9, 2013
reliable
I've never had a problem with this. Its reliable and easy to use and clean. I've been using it for years, no problem
February 17, 2013
Customer Q&A
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Browse 1 question Browse 1 question and 2 answers
Hi. Do I need to keep the red cap on the s lock throughout the primary fermentation?
E L on Jan 30, 2016
BEST ANSWER: Shouldn’t have to, but the red cap will keep or lessen the amount of moisture from the a rapid or aggressive fermentation from blowing the fluid from the air lock.

Thanks for asking.

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