Airlocks

dinkupeanut · Feb 7, 2016

Hi I'm a 1st time user of home brew I got my equipment off a mate all seems fine apart from the airlock, when I've looked at pics and videos I've noticed the airlocks have a red thing on top maybe made of rubber and don't have one of these, will this make a difference?

Twostage · Feb 7, 2016

Not really. The pastic cap just stops dust getting in to the fluid in the airlock. Nice to have but not essential.

You could just stick a bit of loose tinfoil over the top but personally I wouldn't bother.

brisboy · Feb 7, 2016

I usually try to remember to stick something over it. I've had a few insects get in. Still keeps them out of the beer though. Alfoil is an excellent suggestion.

dad_of_jon · Feb 7, 2016

brisboy said:
I usually try to remember to stick something over it. I've had a few insects get in. Still keeps them out of the beer though. Alfoil is an excellent suggestion.

it would also reduce evaporation of the fluid in the airlock too.

Cwrw666 · Feb 7, 2016

Fermenting bins rarely seal completely round the rim - well enough not to let air in, but not enough to keep gas under pressure in. So there's not much point in an airlock as you'll only see bubbling when it's fermenting like crazy.

dinkupeanut · Feb 7, 2016

Thanks for the suggestions will get right on it. Do I fill the airlock full? I out some vodka in about a shot worth!

Chippy_Tea · Feb 7, 2016

I use water and only fill the first two bubbles, if you put more in it usually blows out.

Airlocks

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Airlocks

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