This weekend, Jester King Brewery will be releasing its first fruit refermentation beer of 2018.

That is 2018 Colour Five, a 6.5 percent ABV oak barrel-aged sour beer brewed with “raw Hill Country well water, Texas-grown grains (and) a blend of fresh hops and aged hops” before aged in neutral oak barrels for approximately one year. The ale was then refermented in stainless steel with about 2,000 pounds of blueberries sourced from Echo Springs Farms in Murchison, Texas for six weeks before being bottled.

This is the fourth time that the Austin-based brewery has released Colour Five:

  • The first batch of the blueberry sour was a blend of two of Jester King’s already existing beers—89 percent Das Überkind (6 percent ABV) and 11 percent RU55 (7.3 percent ABV)—and was bottled on Sept. 24, 2014 before being released in 500ml bottles on Oct. 31, 2014
  • The second batch was released on Feb.19, 2016
  • The third release was on March 24, 2017 with approximately 3,400 500ml bottles available

According to a post on Jester King’s Facebook page, 2018 Colour Five will once again be packaged in 500ml bottles ($20) with approximately 2,250 500ml bottles available and will have a six bottle per person per day bottle limit when it goes on sale May 4.