Flask of Harvesting

Flask of Harvesting is a flask that increases resource harvest yield gain by 8% for 4 hours.

Source
Flask of Harvesting can be purchased from a renown vendor for 2500 once the Unlock Flask of Harvesting guild perk has been unlocked.


 * Agent Tetch - Fate's Landing, Illium
 * Sergeant Syrrus - Academy Corner, Thayd