O'Fallon Brewery | O'Bar at O'Fallon Brewery
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What is the OFB Beerlab?

OFB Beerlab is the heartbeat of the Quality Assurance program at O’Fallon Brewery. It is a state-of-the-art brewing laboratory that supports the production of O’Fallon brands as well as those of our brewing partners. OFB BeerLab is now offering our laboratory services to the brewing and homebrewing communities as well.

Making great beer is hard work and making that same great beer consistently is even harder. Great decisions (and sometimes even tough decisions) should be based on accurate and reliable data. We have the tools and experience to help you make more informed decisions.

OFB Beerlab is TTB Certified and equipped with the means to help your brewery get the analytics you need from ABV to a Zahm reference check and everything in between. We have industry-leading Anton-Paar analyzers including the DMA 4500 M-EC Alcolyzer and CboxQC with piercer for packaged air analysis. We offer microbiological services complete with real-time qPCR.


“OFB BeerLab services were thorough and conducted in a timely manner. Results were presented in a format that allowed easy comparison between samples and the range of tests performed. Jason patiently guided me through testing options and provided answers to all of my questions, including possible implications of the results–a level of service I have not experienced with other labs. In short, O’Fallon has earned all of our lab-related business going forward.”

– Cat Golden, Brewer

Mark Twain Brewing Company

“We’ve counted on OFB BeerLab for our lab needs and have loved the professionalism and quick turn times they’ve provided. We’ll definitely continue to use them as our go-to lab!”

– Denny Foster, Head Brewer

Main & Mill Brewing Company

“OFB BeerLab has been pivotal in assisting us with lab work for our small brewery. We don’t have the manpower for our own lab, but in order for us to grow and maintain the quality of all of our barrel-aged beers, we needed a partner that we could trust. Their catalog of tests, their speediness and pricing are everything we could ask for!”

– Cory King, Head Brewer

Side Project Brewing Company

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