Setting up a double-blind cupping session

This article explains how to set up a double-blind cupping session. 

Setting up a double-blind cupping session is available for the following products:

  • Lab
  • Roast: Professional and higher tiers
  • Commerce

The setup of a double-blind cupping session consists of two phases and requires two people - further referred to as Person A and Person B.

Phase 1: Outside of Cropster (Person A)

Before setting up the actual session within Cropster, Person A has to conduct the following steps: 

  1. Select the samples to be cupped and put the samples on the cupping table.
  2. Label each sample with the related ID-tag (e.g. PR-XXXX, PB-XXXX, SG-XXXX...) only.
    The label must show the ID-tag only.
  3. Then Person A must leave the room and Person B takes over. 

What is an ID-Tag?

Cropster automatically assigns ID-tags for every green lot, roast lot, sample and blend. ID-tags are required to provide internal traceability across the processes within our system and for this reason, cannot be changed.

Where do I get the lot ID-tag from?

  • Ask your roaster for the ID-tag.
  • Look it up within the Roasts or Samples overview pages.

Phase 2: Setting up the session in Cropster (Person B)

Now that Person B has taken over, they have to conduct the following steps: 

  1. Login to the online platform C-sar
  2. Navigate to Quality > Sessions.
  3. Click Create Cupping Session.
  4. Select Double-blind Cupping.
  5. Enter a name for your session, schedule a time, choose a cupping sheet and the type of the labels. 
  6. Add the samples, by searching for the ID-tag.
    In the double-blind cupping mode, Cropster shows only the ID-tag without a lot name.
    💡 You need to enter the full ID-tag.
  7. When done, click Save & Next.
  8. Cropster now shows you which ID-tag is attached to which sample code. Replace the ID-tag labels accordingly with the sample code labels.
  9. Now, the samples on the cupping table must only be marked with the sample code, e.g. A, B, C,...

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Congratulations! You are now ready to set up a double-blind cupping session.  

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