this is my ginger beer bug it brews for seven days, ...

TO MAKE YEAST BUG
14g sachet of brewers yeast ( i used bread yeast)
1 teaspn sugar
1 teaspn ground ginger
1 cup of cold water

TO FEED THE BUG
1 teaspn sugar & 1 teaspn ground ginger per day

THE BEER
4 lemons
2 cups of sugar
5 cups of boiling water
14 cups cold water

TO START THE BUG... place the yeast, sugar, ginger and water in a glass jar feed it every day for seven days with 1tspn sugar & ginger.
after 1 week juice lemons add to sugar & hot water into clean bucket, stir to dissolve sugar, then add cold water. strain the juice from the bug through muslin cloth into bucket, stir and pour into bottles leave for 2 hours before capping, use cleaned plastic bottles, leave for 2-4 weeks before drinking, if bottles are very rigid release gas by loosening then tightening lids.