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Add a batch of stock

Add units of a product as a new batch, starting in quarantine.

Updated September 24, 2026

The Inventory and batches screen in Purity, with example data
The Inventory and batches screen, with example data.

Every unit of stock belongs to a batch, not just to the product. That is what lets a lab report cover exactly the units it was tested from.

  1. Open the product from Inventory.
  2. Under "Add a batch", enter the "Batch number".
  3. Enter the "Quantity".
  4. Add "Unit cost (USD)" if you know it.
  5. Click "Add batch".

A new batch always starts in quarantine, whether you add it here or receive it on a purchase order. It can only be sold once its lab report is attached and verified.