The little cap on the airlock...

[OlliesDad]

...as it is supplied, presumably it performs some function?

What is it?


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[Godsdog]

keep the dust out but these type can get clogged if you have a very vigorous fermentation if its the S TYPE

 

[Tau]

To keep out wine fly and reduce evaporation from the airlock.

 

[Hoppyland]

Yep, I like it as it deters my most hated enemy - fruit flies :twisted:

 

[Chippy_Tea]

I remember someone asking if they were part of the packaging as he threw them in the bin, when he found out they were dust caps he was not happy. :lol:

 

[Gunge]

If I lose one I put tinfoil loosely around the airlock. Can't be having those nasty flies and things swimming about in there! What about those cylindrical, two-part airlocks? Utterly dreadful!

 

[Cqr]

If I lose one I put tinfoil loosely around the airlock. Can't be having those nasty flies and things swimming about in there! What about those cylindrical, two-part airlocks? Utterly dreadful!

Good for making a blow off tube from low

 

[AlanManley]

Good for making a blow off tube from low

I've done this on my last brew. So much easier and it doesn't bubble over!

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[OlliesDad]

I've put it on!

Will now investigate "blow off tube"...


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[Chippy_Tea]

If I lose one I put tinfoil loosely around the airlock. Can't be having those nasty flies and things swimming about in there! What about those cylindrical, two-part airlocks? Utterly dreadful!

I changed over from the bubble type to the wilko handy airlocks a long time ago as the old ones were too tall to allow me to put my DJ's on my kitchen worktop under my kitchen cupboards, I have had no problems on DJ's but found them too small for a FV as they emptied, a blow off tube was the solution.

 

[Gunge]

The two-part airlocks I've got simply won't stay in one piece unless I sellotape them together! Even the most moderate fermentation blows the top bit off. Being as tight as a gnat's chuff I won't throw them out but use them for ageing wine in demijohns.