Once your Tonic Water is made it has a 3 month shelf life when its stored in a keg as it has no exposure to oxygen.
When it is made up in a fermenter or a soda maker the tonic water has a shelf life of 3 weeks due to it having oxygen exposure.
When it is made up in a fermenter or a soda maker the tonic water has a shelf life of 3 weeks due to it having oxygen exposure.