Introduction: Home Made Air Lock
How to make a simple air lock for home-brewing.
Step 1: What You Will Need
> Small clear container (film canister size)
> Ordinary drinking straw
> Sealant (I used blu-tack
> Bottle (for alcohol)
> Suitable lid for bottle
Step 2: Drilling
First drill a single hole in the lid of your bottle so that the straw can fit through then drill two holes the same size in the lid of your canister.
Step 3: Construction
Push the short end of the straw about 1cm through the bottle lid and seal around it with your sealant or blu-tack.
Push the other end of the straw through the canister lid so that when it is put on the canister it isn't touching the bottom otherwise it may block causing a build up of CO2 that would make your home brew go of like a shaken soft drink.
Finally fill the canister with water leaving some room at the top but ensuring that the end of the straw is covered.
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