I used bulkhead connectors to go through the wall in the back... easier storage/ transport when you remove the hoses (need a beer nut and hosebarb as if you were attaching to the back of a shank...)
Carbonic acid (H2CO3) arises from the interaction of carbon dioxide (CO2) and water (H2O). It is present in all beer, soda water, soft drinks...... it's concentration varies with the equilibrium pressure of CO2 above the solution (it's why sodas taste much sweeter when flat). As an acid it...
Below is a link to a survey to investigate the feasibility of setting up a "laboratory" to do an Alpha Acid analysis. I do know that there are a number of commercial laboratories that will do this, but they are not always easily accessible to the "home" hop gower.
The survey is only 5...