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Picture of Home made air lock
 How to make a simple air lock for home-brewing.

Step 1: What you will need

Picture of What you will need
IMG_0511.JPG
Parts
> Small clear container (film canister size)
> Ordinary drinking straw
> Sealant (I used blu-tack
> Tape
> Bottle (for alcohol)
> Suitable lid for bottle
Tools
> Drill
> Scissors

 
quoct21 year ago

what will you do with the second hole of blue cap ? thanks

yoptroyumet (author)  quoct23 months ago

it's just to allow gas to escape

-CCCP-1 year ago

Homebrewing should be illegal!

rimar20005 years ago
What is an air lock? I don't speak English, pardon.
yoptroyumet (author)  rimar20005 years ago
 Hi when you are making home brew you need to allow the carbon dioxide gas produced by the yeast to escape but you also need to stop harmful airborne bacteria and mould spores from getting to the brew. An airlock allows the carbon dioxide to bubble out through the water but doesn't allow the air into the brew. Hope this helps feel free to ask for more clarification.
Thanks, very much. Good explanation.