The Fire Salts are a quest item in The Elder Scrolls Online Morrowind.
You are asked by Naryu Virian to gather some so that you can make a fire bomb to blow up the slaver ship.
This combustible ingredient can be combined with Kindlepitch to start a fire.
Where to find
Look for a small wooden hut with some Fire Salt Barrels.
Loot barrels to get the firesalts.
See map below for help finding fire salts.
- Fire Salt is also an ingredient appearing in Skyrim and Skyrim: Dawnguard.