I spent some time pricing up a small brewery and did quite a bit of research on beer-making. The idea was quickly scuttled as the cost of a start-up was horrific, well beyond what my bank manager would let me play with!)
I was interested in this as you can pick up a small brewery for about £10,000 (13,000 euros). As for the water, the process is known as Burtonization and standard kits are available.
Just reassure me you would never use brewing candy or rice. keep to the Fen Causeway
It's actually a long term idea I have for eastern europe. I think it could be quite lucrative if done correctly. keep to the Fen Causeway