I was looking to upgrade my oxygenation setup from the disposable red bottles, and it took me way too long to find the perfect setup. I am posting this thread to help other homebrewers avoid this pain when upgrading their oxygen setup. The biggest issue was finding an inexpensive flow meter that...
Doing some research, I found out several NW breweries that use Gambrinus malts:
Double Mountain - Gambrinus Pilsner Malt primarily
Black Raven - ESB Malt primarily
Diamond Knot