Strontium is one of the most important mid-game crafting materials in Subnautica 2, especially once you start unlocking advanced vehicle upgrades and defensive modules. If you’re trying to craft upgrades like the Strike Armor or Tadpole Haul Chassis, you’ll need a steady supply of this refined material pretty quickly.
The catch is that Strontium isn’t something you can just pick up while exploring. First, you’ll need to find Celestine, mine it in deeper biomes, and process it into usable Strontium.
Here’s exactly how to get Strontium in Subnautica 2, the best Celestine farming locations, all Strontium recipes, and the fastest farming methods players are currently using.
Read also: Subnautica 2: How to Get Troilite, Best Farming Location, and Mining Guide
How to Get Strontium in Subnautica 2
Quick Answer
- Craft Strontium at a Processor
- Recipe:
- Celestine ×2 → Strontium ×1
- Best Celestine farming location:
- Alien Ruins biome
- Around 200m to 250m depth
You cannot find Strontium naturally in the world. Instead, you must refine Celestine into Strontium using a Processor.
Strontium Crafting Recipe
How to Craft Strontium
Processor Recipe
- Celestine ×2
→ Strontium ×1
After collecting Celestine for the first time, most players unlock the Strontium crafting recipe automatically.
Strontium is classified as a refined material and becomes increasingly important for late mid-game progression.
Where to Find Celestine in Subnautica 2
If you’re searching for the best Strontium farming route, your real target is Celestine.
Best Celestine Location
Currently, the most reliable Celestine spawn area is:
- Near the Alien Ruins biome
- Around 200m–250m deep
- Along cliff walls, rocky ledges, and cave entrances
Players are consistently finding large concentrations of Celestine in deeper sections surrounding the ruins.
What Celestine Looks Like
A lot of players accidentally swim past Celestine because it looks similar to other mineral deposits.
Celestine usually appears as:
- Bright blue crystal clusters
- Jagged mineral formations
- Medium-sized ore nodes attached to rocks
Compared to Salt deposits, Celestine is:
- larger,
- more vibrant,
- and slightly translucent.
Bring your Sonic Resonator or mining tool before heading into the biome.
Best Way to Farm Strontium Fast
Once advanced upgrades become available, you’ll need far more Strontium than expected. Farming efficiently saves a huge amount of travel time.
Fastest Strontium Farming Method
1. Build a Small Farming Outpost
Set up:
- a Fabricator,
- storage,
- battery chargers,
- and a Processor
near the Alien Ruins biome.
This prevents constant return trips to your main base.
2. Bring Extra Power
The deeper farming zones drain power quickly, especially if:
- your vehicle takes damage,
- you’re mining constantly,
- or visibility is poor.
Extra Power Cells make long farming runs much easier.
3. Farm Cliff Walls
Most Celestine nodes spawn:
- along vertical rock walls,
- around cave entrances,
- and near biome transitions.
Instead of searching open water, hug the terrain carefully while scanning with your lights.
4. Process Materials Immediately
Turning Celestine into Strontium right away helps free inventory space and speeds up future crafting.
All Strontium Recipes in Subnautica 2
Here are all currently known recipes that use Strontium in Subnautica 2.
Feedback Resonator Recipe
Crafted at: Modification Station
Ingredients
- Sonic Resonator ×1
- Enameled Glass ×2
- Conduit Crystal ×2
- Strontium ×2
The Feedback Resonator is one of the stronger Resonator upgrades currently available.
Strike Armor Recipe
Crafted at: Modification Station
Ingredients
- Enameled Glass ×2
- Strontium ×2
Strike Armor becomes extremely useful once hostile creatures start appearing in deeper biomes.
Cavitation Muffler Recipe
Crafted at: Modification Station
Ingredients
- Titanium ×3
- Strontium ×2
The Cavitation Muffler helps reduce vehicle noise, making exploration safer around aggressive wildlife.
Tadpole Haul Chassis Recipe
Crafted at: Vehicle Fabricator
Ingredients
- Titanium Ingot ×4
- Strontium ×3
- Enameled Glass ×3
- Dedicated Core ×1
This upgrade significantly improves hauling and storage efficiency for longer expeditions.
What Is Strontium Used For in Subnautica 2?
Strontium is mainly used for:
- Vehicle upgrades
- Defensive modules
- Advanced crafting recipes
- High-tier equipment progression
Because several recipes require multiple Strontium, it quickly becomes one of the most valuable refined materials in the game.
Strontium Overview
| Item | Details |
|---|---|
| Type | Refined Material |
| Crafted From | Celestine ×2 |
| Crafted At | Processor |
| Main Uses | Advanced upgrades and crafting |
| Tier | Mid-to-late game material |
In-Game Description
“Refined from Celestine. Radioactive element used in Radioisotope Thermoelectric Generators (RTGs) and other nuclear applications.”
Many players believe this description hints at future RTG power systems arriving during Early Access updates.
Common Strontium Crafting Bugs
Since Subnautica 2 is still in Early Access, players have reported occasional issues involving Strontium crafting.
Known Problems
- Strontium recipe not unlocking
- Celestine failing to register
- Processor not recognizing mined materials
- Crafted resources disappearing after reloads
Possible Fixes
Most players report these solutions work:
- Restart the game
- Mine fresh Celestine nodes
- Rebuild the Processor
- Scan Celestine again
- Reload your save
FAQ
How do you get Strontium in Subnautica 2?
You craft Strontium at a Processor using:
- Celestine ×2
Where can you find Celestine?
Celestine is commonly found near the Alien Ruins biome between 200m and 250m depth.
Can you mine Strontium directly?
No. Strontium must be refined from Celestine.
What is Strontium used for?
Strontium is used for advanced upgrades including:
- Strike Armor
- Feedback Resonator
- Cavitation Muffler
- Tadpole Haul Chassis
Final Thoughts
Strontium may not seem important early on, but once Subnautica 2 starts introducing deeper biomes and advanced crafting systems, it becomes one of the game’s core progression materials.
If you’re preparing for tougher zones, upgrading your vehicle, or unlocking stronger defensive modules, farming Celestine early will save you a lot of time later.