The best treatise I have read about the development and use of unitank fermenters is in the textbook Brewing Yeast and Fermentation by Boulton and Quain. Although the subject is covered in
Mr. Wizard dives deep into the effects changing pressure can have on carbonation levels of beer. Also, a homebrewer is looking for advice on best-practices for the new unitank they recently purchased.
Whirlpool ports (and other miscellaneous ports) have become more common these days. One clean way to add a weldless port to your kettle utilizes a knockout punch.
Stainless steel may cost more than aluminum, but there are many reasons why it is used in both commercial breweries and homebreweries. If you’re investing in stainless, it means you should make sure you are treating it correctly. Learn from two professionals who know what it takes to properly care for stainless steel equipment.