Stock Information
Warehouse->Products ->{Click product}->[Stock Information]

Overview
From here you can set if a product uses stock, if its stock is visible in store, the quantum of the stock, and the notification e-mails when a product becomes out of stock.

Elements
Product has stock:
This enables/disables the stock in the store. If a product doesn't have a stock, its stock is infinite.

Visible in store:
If the stock is enabled, the you can show it (or not) in the Store section.

Quantity in stock:
Here you set the level of the stock.

Minimum stock:
The minimum stock is the alarm level of the stock. It is used to fulfill the pending orders.
When the stock reaches the alarm level, a notification e-mail will be sent, and no further sales will be possible.
(If you set the stock of a product 10 and the minimum stock is 2, then the customer will see that the product has a stock of 8.)

E-mail notification when out of stock
Here you enter the addresses where you want to receive the notification e-mails when the stock becomes 0 or it reaches the
Minimum stock value.


Links
From here you can:

Update the stock information [Save stock] Add/Edit Products page