As a trio of local breweries proved last year, every ingredient in beer — even the water — can influence the final flavor in it. Minor changes to a recipe can result in surprisingly big differences.


Two additional Austin breweries, Nomadic Beerworks and Central District Brewing, are out to demonstrate that again this weekend, to a lesser extent, with the release of two beers that celebrate the beer makers’ recent arrival to the local beer industry. Both opened last year. At their respective locations, they will have two Texas variations of the California common, a historic style.


Each called New Kids on the Block — as a nod to Nomadic and Central District’s newness — the amber lagers launch at both breweries at noon on Saturday. You can taste them both in the afternoon via a complimentary shuttle service provided by Bat City Brew Tours.


The New Kids on the Block beers come from the same recipe. They were prepared at each brewery using the same re-harvested yeast originally pitched at Nomadic. But don’t expect them to taste exactly the same, according to Central District co-owner and master brewer Adam Duley.


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"We expect that there should be a slight variation in flavor and aroma," he said in a news release. "For example, our variation of New Kids on the Block will be slightly more hoppy than Nomadic’s. However, as each beer will feature the same re-harvested yeast, Texas malts and northern brewer hops, both variations will maintain a nutty, caramel, malt-driven aroma with a pronounced woodsy and berry character."


Sounds delicious, huh? It’ll be easy to taste both of them in one day thanks to the free transportation Bat City Brew Tours is offering from 1 to 4 p.m. Saturday. A shuttle leaves roughly every 45 minutes.


There will also be custom koozies gifted to the first 50 people in attendance who order the collaboration beer.


Central District has made its mark as currently the only brewery to be located in downtown Austin. This summer, Duley and his team collaborated with a few Austin restaurants to release a handful of stout variations, which benefited Hurricane Dorian relief.


Nomadic Beerworks, located off South Congress Avenue, was the vision of two world-traveling brothers, Dan and Bryce Tyranski, who have planted roots in Austin to start the brewery.


For more information, visit the Facebook event post about the Kids on the Block release.