Small Seaforium Charge

Source
Small Seaforium Charge is made by engineers with a level of 100.

The components are:


 * 2 Coarse Blasting Powder
 * 1 Copper Modulator
 * 1 Light Leather
 * 1 Refreshing Spring Water

The schematic for this item is found either in chests (in various locations), or on mobs in Wailing Caverns, Shadowfang Keep, or (more commonly) in Deadmines.