I have answered many questions over the years that deal with medical and health topics. The way I go about answering these questions is reading what I can find about these
What (exactly) is pH and what can – or should – a homebrewer do about it? You may not know much about it (and depending on your water and the beers you brew, you may not need to), but pH affects many major aspects of beer character. Learn the simple steps to manage pH in your homebrews.
Learn the tips and techniques to nail your target volume and orginal specific gravity every time you brew a batch of homebrew.