Water Crafter

Calculate custom brewing water recipes based on Jonathan Gagne's methodology

About Water for Coffee
Based on Jonathan Gagne's research

This tool helps you calculate mineral additions to create custom brewing water. Enter your source water parameters, set your target water composition, and the tool will calculate the exact amounts of minerals needed for your concentrate.

Learn more from Jonathan Gagne
Water Parameters
Configure source and target water

Use distilled water? Leave all values at 0

How to Use
  1. Enter your source water parameters (or use 0 for distilled water)
  2. Select a target water profile or enter custom values
  3. Set your concentrate volume and dosage
  4. Click Calculate Recipe to get mineral amounts
  5. Mix the calculated minerals into distilled water to create your concentrate
  6. Add the specified dose to your source water when brewing