Summary
- Strontium is refined from Celestine using the Processor.
- You will mainly require the resource for advanced Tadpole upgrades.
- Celestine deposits are commonly found near the Alien Ruins.
In Subnautica 2, one of the core gameplay mechanics revolves around collecting resources and using them to craft upgrades and useful equipment. One such important material is Strontium, which you will primarily require to upgrade the vehicle.
To get your hands on this resource, you first need to obtain Celestine. After that, the Processor handles the refinement process. If you are having trouble obtaining Strontium in this survival title, here is a detailed guide to help you out.
Read more: Subnautica 2: How To Get Troilite
How To Get Strontium in Subnautica 2

As mentioned earlier, Strontium is an important resource used for several vehicle upgrades. The item comes with the following in-game description:
“Refined from Celestine. Radioactive element used in Radioisotope Thermoelectric Generators (RTGs) and other nuclear applications.”
As the description suggests, Strontium is created by refining Celestine. Here is the step-by-step process to obtain it:
- Head to the Processor.
- Open the refinement menu and select Strontium.
- Insert 2 units of Celestine into the machine.
- Interestingly, the Strontium recipe automatically unlocks as soon as you collect Celestine for the first time.
- Once the refinement process is complete, collect the Strontium from the output section on the right side of the Processor.
Read more: Subnautica 2: How To Find and Scan Electric Geordie
Uses of Strontium in Subnautica 2
Once you obtain Strontium, you can use it for obtaining important Tadpole upgrades, including Strike Armor and Tadpole Hull Chassis. Here are their detailed recipe:
- Strike Armor Upgrade: 2x Enameled Glass, 2x Strontium
- Tadpole Hull Chassis Upgrade: 4x Titanium Ingots, 3x Strontium Ingots, 3x Enameled Glass, 1x Dedicated Core
Where To Find Celestine in Subnautica 2
Celestine deposits are mostly present at depths of around 250 to 300 meters. One of the best locations to collect this resource is the Alien Ruins, situated roughly 1400 meters east of the Lifepod.
Since the Tadpole plays a major role in helping you explore deeper and more dangerous regions of the ocean, collecting Strontium is definitely important for progression in Subnautica 2.
FAQs
What do you need to craft Strontium in Subnautica 2?
You need 2 units of Celestine and access to a Processor to refine Strontium.
What is Strontium used for in Subnautica 2?
It is mainly required for advanced Tadpole upgrades and vehicle-related crafting recipes.
Where can you find Celestine in Subnautica 2?
Celestine can commonly be found near the Alien Ruins at depths of around 250 to 300 meters.
