Contact Us

We read every message. Whether you have found a calculation you disagree with, want a tool that does not exist yet, or simply want to tell us how a recipe turned out, we would like to hear from you.

Email

Write to [email protected]. We aim to reply within five working days. Please include the name of the tool and, where relevant, the exact values you entered so we can reproduce what you saw.

Common feedback scenarios

  • Calculation questions. A result that does not match a reference you trust — tell us the source so we can compare methodologies.
  • Tool requests. A brewing or tasting task you currently do by hand and would like automated.
  • Content corrections. Outdated standards, unclear explanations or errors in a guide.
  • Accessibility and display issues. Anything that renders badly on your device, browser or screen reader.
  • Educational use. Questions about using these tools in a class, coffee club or training session.

Feedback form

This form is provided for layout and reference purposes only. It does not submit or store any data. Please send your message to the email address above.