[STEAM] How to unlock Bioreactor blueprint in Subnautica 2

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Making a large base in Subnautica 2 means having consistent power sources that supply oxygen to its interior and keep your machines operational. While solar panels are great early on, investing in a bioreactor is a powerful step-up if you have the supplies to keep it running.

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All Bioreactor blueprint locations in Subnautica 2

Building a bioreactor in Subnautica 2 requires scanning three broken machines using your Scanner tool to acquire their blueprint fragments. Here is a list of every known bioreactor blueprint fragment location:

1. Inside Chap's Blackbox cave 220 meters south of the Lifepod.
2. Inside a metal crate 390 meters east of the Lifepod.
3. Inside the Old Habitat POI 380 meters north of the Lifepod.

The first bioreactor machine you can scan for its blueprint fragment is located at Chap's Blackbox cave 220 meters south of the Lifepod. As you approach this location, you'll find naturally generated stone pillars with a cave underneath that, upon entering, reveals a secret living compartment full of items to scan. Among these items are a bioreactor, a 

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, furniture, and more. You can also interact with the biobed inside of this room for extra inventory slots.

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Screenshot by Destructoid

How to build a Bioreactor in Subnautica 2

Once you scan all three machines, you'll unlock the bioreactor's blueprint, letting you build it inside your base using a

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. You'll need the following materials to create the bioreactor:

• Titanium Ingot (2)
• Copper Ingot (2)

Both resources require using a processor to transform copper and titanium into their respective ingots. You can find broken processors to scan inside the Old Habitat POI before building the machine inside your base using titanium, mild acid, and copper wire.

Once you have a processor in your base, you'll need three titanium for one ingot, and three copper for its respective ingot. Each one also takes 30 seconds to process, so you'll need to wait around two minutes to retrieve your finished items. You can then use your Habitat Builder tool to find the bioreactor under Interior Facilities and Power.

How to get Bioreactor fuel in Subnautica 2

Powering Subnautica 2's bioreactor requires inputting any organic material into its main console, allowing it to process the item and transform it into power. You can choose the following power options:

• Off: The machine won't run, so no fuel will burn.
• Normal: It'll generate 10 power points and slowly burn whatever fuel sources you have inside its container.
• Overdrive: It'll generate 20 power points and burn its fuel sources at double the rate.

The best fuel source to use early on is biofuel blocks, which you can create inside your processor using five Fibrous Pulp, three Pent, or two crab ******, depending on what materials you have on hand. Fibrous Pulp and Pent, in particular, are abundant resources once you've explored the map more. Biofuel blocks burn much more slowly than regular organic matter, making it much easier to toss a few blocks in and not touch the machine for some time.

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