Big QC Day

White Labs® offers year-round analytical testing for your fermented beverages. We began Big QC Day in 2007 as a way of providing a low-cost option for breweries wishing to have multiple analytical tests conducted at once. It has become a program where professional brewers are able to take advantage of big savings. In total, at least 10 percent of the country's craft breweries participate in Big QC Day throughout the year. Plus, through this program, you'll receive information to see how your beers performed against the entire pool of participants. 

Purchase a test kit, send in your samples and we'll test it for the following:

  • Diacetyl
  • IBUs
  • Alcohol content 
  • Calories
  • Color (SRM)
  • Attenuation - real and apparent
  • Microbiological contaminants
  • Gluten testing (add-on option)
  • Saccharomyces cerevisiae var. diastaticus PCR analysis (add-on option); NOTE: If you brewed your beer with a STA1+ strain, your beer will test positive

Cost breakdown:

  • LSQCDAYSTANDARD: Testing two samples is $139 
  • LSQCDAYGLUTEN: Testing two samples with gluten testing is $199 
  • LSQCDAYPCR: Testing two samples with PCR testing is $199 
  • LSQCDAYGLUTEN+PCR: Testing two samples with gluten and Saccharomyces cerevisiae var. diastaticus PCR analysis is $259 

2019 Big QC Dates:

In 2019, you'll have four opportunities to get your beers tested, making it perfect for benchmarking your beers throughout the year. Please see the deadlines for each Big QC Day below.

First: Purchase your Big QC Day Test Kit by January 25, 2019, send us a sample by February 15, 2019, and we'll get your results completed by March 1, 2019.

Second: Purchase your Big QC Day Test Kit by May 10, 2019, send us a sample by May 24, 2019, and we'll get your results completed by June 7, 2019.

Third: Purchase your Big QC Day Test Kit by August 9, 2019, send us a sample by August 23, 2019, and we'll get your results completed by September 6, 2019.

Fourth: Purchase your Big QC Day Test Kit by November 8, 2019, send us a sample by November 22, 2019, and we'll get your results completed by December 6, 2019

How to Order: 

To purchase Big QC Day test kits, please order through the mobile app or visit, click the "Laboratory Supplies and Services" tab and find the item located in the top section called "Laboratory Services." You may also call 888.593.2785 or email [email protected] to place an order and get additional information. 

Don't worry about what's happening with your beer, test it! 

Follow up Consulting: 

If the results of Big QC Day shows that more testing or consulting is desired, please do not hesitate to reach out to White Labs for additional help. You may call 888.593.2785 or email [email protected] to learn more. Find more information here,