This article is about Bioreactors in Subnautica. To see this subject's article on the Below Zero Wiki, click here.


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A reliable power source is a critical step toward self-sufficiency. Consider keeping a photo-journal of your achievements to motivate you in times of despair.

― PDA, Dialogue

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The Bioreactor is constructed with the Habitat Builder and composts organic matter into Energy. It has a 4×4 inventory grid to place organic items into, and items placed inside it cannot be removed once placed. It can break down any organic matter into reliable energy for Seabases. The Bioreactor produces 1 energy every 1.2 seconds (50 per minute) with a maximum capacity of 500 units per Bioreactor. It can only be placed inside a Multipurpose Room. It does not affect power in creative mode.

Bioreactors work well in biomes where organic matter is plentiful, such as Kelp Forests or Mushroom Forests, where Solar Panels may be less efficient. It is also easy to supply a Bioreactor with fuel if one keeps an Exterior GrowbedInterior Growbed or Alien Containment full of fish nearby. It is also useful for disposing of any excess or spoiled flora and fauna that the player has no more need of. Egg-hatched fish in particular provide the most energy.

Thanks to its low costs and easily renewable fuel it is perfectly suited to power outposts with low power devices like a Battery Charger or Power Cell Charger, especially if the area lacks the requirements for both Solar Panels and Thermal Plants. But even if better sources are available, it still provides easy additional energy for demanding seabases.

Recipe

Titanium.pngTitanium.pngTitanium.pngWiring Kit.pngLubricant.pngArrow-right (1).pngHabitat Builder.pngArrow-right (1).pngBioreactor.png


Energy Values


Acid Mushroom.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Acid Mushroom Spore.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×21


Blood Oil.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Blue Palm Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Bulb Bush Sample.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Cave Bush Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Creepvine Sample.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Creepvine Seed Cluster.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Deep Shroom.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Deep Shroom Spore.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×21


Eye Stalk Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Furled Papyrus Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Gabe's Feather Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Gel Sack.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×245


Spore Sack Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×7


Ghost Weed Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Jellyshroom Spore.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140


Membrain Tree Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Pygmy Fan Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×28


Redwort Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Regress Shell Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Rouge Cradle Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Sea Crown Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Spotted Dockleaf Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Tiger Plant Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Veined Nettle Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×21


Violet Beau Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Writhing Weed Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140

Bulbo Tree Sample.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Chinese Potato.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140


Fern Palm Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Grub Basket Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×105


Jaffa Cup Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140


Lantern Fruit.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Marblemelon.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Marblemelon Seeds.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Small Marblemelon.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×280


Ming Plant Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140


Pink Cap.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×105


Pink Cap Spore.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×14


Speckled Rattler.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140


Speckled Rattler Spore.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×14


Voxel Shrub Seed.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×28

Coral Tube Sample.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Fungal Sample.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Purple Brain Coral Sample.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Table Coral Sample.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70

Shocker Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×259


Bone Shark Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Crabsnake Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×231


Crabsquid Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×259


CrashEgg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×189


Cute Fish Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Gasopod Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×231


Jellyray Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×119


LavaLizardEgg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×189


Mesmer Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×175


Rabbit Ray Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140


Reefback Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×280


Sand Shark Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Shuttlebug Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×105


Spadefish Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×140


Stalker Egg.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×105

Shocker.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×770


Bladderfish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Boneshark.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×630


Boomerang.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×280


Crabsnake.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×700


Crabsquid.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×770


Crashfish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×560


Eyeye.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Floater.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×50


Garryfish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Gasopod.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×700


Holefish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×280


Hoopfish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Hoverfish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×350


Jellyray.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×350


Lava Lizard.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×560


Lava Boomerang.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×280


Mesmer.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×560


Oculus.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×630


Peeper.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Rabbit Ray.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Lava Eyeye.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Reefback.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×840


Reginald.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×490


Sand Shark.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×630


Shuttlebug.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×280


Spadefish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×420


Spinefish.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×210


Stalker.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×560

Lubricant.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×20


Sea Treader Feces.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×300


Stalker Tooth.pngArrow-right (1).pngBioreactor.pngArrow-right (1).pngEnergy.png×70


Data Bank Entry

Bioreactor-1.png

On planets where organic matter is plentiful but sunlight is not, a reliable bioreactor will frequently prove the most efficient power solution.

- May be installed in any multipurpose habitat room
- Chemically composts organic materials, converting them into energy over time
- Accepts all plant matter, from seeds and spores to moldy fruits and vegetables
- Can also process animal matter (fat, muscle, eggs etc.) and some organic waste products
- Energy production is proportionate to the calories in the organic matter

'The Bioreactor: Totally organic.'

Gallery

Trivia

  • When the Bioreactor was first introduced, it was placed outside of the base, much like a Solar Panel.
    • The Bioreactor used to only accept the combination of Creepvine Samples and Fungal Samples.
  • Only one species of plantable Flora and one species of hatchable Fauna cannot be put in the Bioreactor: respectively these are Spiked Horn Grass and the Cuddlefish.
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