Item stock alert levels are managed per each location the item is stocked in.
You can edit this on the Inventory > Items tab by clicking on the item's On Hand count:
You can also edit the stock alert per location directly from an item's details page via the Stock panel:
1. Select the edit icon for the location you wish to adjust the alert level for.
2. Set the alert level and click save.
Updating Item Stock Alerts in Bulk
Whenever working with CSV, especially those that can adjust stock quantities, you should take a full item stock export for safekeeping before making any changes via CSV, and only using the columns you absolutely need.
View our article on How to Import and Update Item Information in Bulk for more details.
If you only want to update your item's stock alerts in bulk, you can also use an Item Stock import with ONLY the following columns in a CSV:
Warehouse (This is the name of the specific warehouse shown within SKULabs where an item's stock is located and is case sensitive.)