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BEER

Step Mash Magic: Puzzling Your Brew's Hidden Potential

Step Mash Magic: Puzzling Your Brew's Hidden Potential

You might think, "Hang on, isn't a single infusion mash good enough?" Well, sure, it gets the job done. But step mashing? There is still much debate in the brewing world over the pros and cons of step vs single infusion mashing. 

 

Temperature Tango: Dancing with Enzymes

Here's where things get sciency, enzymes are the tiny workhorses of brewing, breaking down complex molecules into simpler ones. Each enzyme has its own preferred temperature range where it works best. By step mashing, we're essentially creating the perfect working conditions for each enzyme, one at a time.

 

The Step Mashing Playlist: Hit Those Temperature Notes

Ready to orchestrate your mash? Here's your step-mashing setlist:

  1. The Acid Rest (35-45°C): This technique brings your mash pH down to the optimum range so that your starch conversion occurs as quickly as possible during the saccharification rest. This step is largely unused, as brewers use brewing water chemistry to ensure the right pH.
  2. Ferulic Acid Rest (43-45°C): Want that clove-like aroma in your hefeweizen? This is where the magic happens! This rest is used to help produce clove aroma and flavour in Weissebiers. This balances out the banana character to make a refreshing beer.
  3. Protein Rest (44-59°C): Too many proteins? Beer haze. Too few? No head retention. This temperature range allows for greater breakdown of proteins and is common in styles with high levels of unmalted grains.
  4. Saccharification Rest (60-71°C): The main event! This is where we convert starches to sugars so they're small enough for the yeast to consume.

 

The Alpha vs. Beta Showdown

In the saccharification rest, we've got two-star players: alpha-amylase and beta-amylase.

  • Alpha-amylase (63-72°C): The rebel that randomly breaks the rules and starches creates sweeter, fuller-bodied styles like stouts.
  • Beta-amylase (55-65°C): The precise worker that creates shorter chains, perfect for beers with a drier finish like light lagers.

For most beer styles, your mash temperature will be between 65°C-70°C, depending on how dry the finish should be, with drier styles towards 65°C and sweeter finish styles closer to 70°C.

 

Is Step Mashing Worth the Fuss?

Look, with today's well-modified malts, you might not see a massive difference in conversion efficiency, especially if you are keeping an eye on your mash pH. But step mashing isn't just about efficiency - it can be about creating the right balance of flavours like in a weissbier.

 

Ready to Change Your Brewing Game?

Step mashing might seem like a lot of work, but with most brewing software and systems, it's as easy as programming an extra mash step temperature. But it's your ticket to brewing beers with more character. So why not give it a go on your next brew day? Who knows, you might just create the next cult-favourite craft beer!

Remember, brewing is part science, part art, and all passion. So crank up the heat, watch those enzymes dance, and let's make some beer magic!

 

MYO Drinks

Helping you to make your own Great Batch from Scratch.

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