This is probably a stupid question, but I will ask anyway.
In everything I have read they always say to be sure airlock is filled 1/2 way with water. What is the purpose of 1/2 way? What happens if it is more or less than 1/2 way.
In everything I have read they always say to be sure airlock is filled 1/2 way with water. What is the purpose of 1/2 way? What happens if it is more or less than 1/2 way.