Condensed fog is the liquid form of The Fog that surrounds the Island, condensed from vapor form by the Fog condensers found in various settlements. It can be used to create different sludge based chems.
Condensed fog (1)
Condensed fog can be found in the basins of the Fog condenser machines. Far Harbor and Longfellow's cabin possess these condensers, with the National Park Visitor's Center, Dalton Farm and Echo Lake Lumber obtaining them as the Sole Survivor completes quests on the Island.