Understand your next decision
Brewing problems, explained.
Check the evidence before changing a batch. These guides connect the measurement, the method and a question to test your understanding.
Sweet beer or stuck fermentation? Check the evidence first
A practical sequence for diagnosing sweet beer: confirm gravity, check the recipe and yeast, compare readings over time and avoid premature packaging.
Read the guide →Hydrometer vs refractometer for final gravity
Understand density and refraction, why alcohol changes a refractometer reading, and how to check final gravity without unsupported accuracy claims.
Read the guide →How to substitute hops: bittering, flavour and aroma
Choose a hop replacement by its job in the recipe. Adjust bittering mass from the lot alpha acids and assess aroma separately instead of using a universal swap chart.
Read the guide →Six ingredient field notes
Get to know your grain and hops.
Start with the supplier's specification. Try a worked example, then test yourself before changing a recipe.
Tettnang hops
Compare aroma references and work through a bittering substitution.
Explore the ingredient →Sabro hops
Explore coconut character, grams per litre and alpha-acid calculations.
Explore the ingredient →Roasted barley
Calculate small grain-bill shares and compare dark-grain specifications.
Explore the ingredient →Torrefied wheat
Understand its role, then turn a percentage into an ingredient weight.
Explore the ingredient →Flaked rice
Plan a rice adjunct and distinguish replacing grain from adding more.
Explore the ingredient →Flaked corn
Work out maize percentages and build a comparison you can explain.
Explore the ingredient →