Water Filtration Machine (Subnautica)

This article is about the Water Filtration Machine in Subnautica. [[{{#explode:Water Filtration Machine (Subnautica)|(}} (Below Zero)|Click here]] for information on this subject in Below Zero.

<infobox> <title source="title1"><default>Water Filtration Machine (Subnautica)</default></title>

<image source="image4"></image> <label>Category</label> <label>Category</label> <label>Description</label> <label>Hull Integrity</label> <label>Health</label> <label>Blueprint Source</label> <label>Acquired From</label> <label>Fragments</label> <label>Build Time</label> <label>Size</label> <label>Damage</label> <label>Drill Yield</label> <label>Biome</label> <label>Location</label> <label>Coordinates</label> <label>Perks</label> <label>Penalties</label> <label>Attribute</label> <label>Drops</label>

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<label>Music</label> <group layout="horizontal"> <label>Food</label> <label>H₂O</label> </group> <label>Bioreactor</label> <label>Byproduct</label> <group collapse="open" class="tab-fragment"> <header>Fragments</header> <image source="image2"></image> <label>Item</label> <label>Description</label> <label>Location</label> <label>Fragments</label> <label>Attribute</label> <label>Debug Spawn</label> <format>BaseFiltrationMachine</format> <image source="image3"></image> <label>Item</label> <label>Description</label> <label>Location</label> <label>Fragments</label> <label>Attribute</label> <label>Debug Spawn</label> <format>{{{debugspawn3}}}</format> <image source="image5"></image> <label>Item</label> <label>Description</label> <label>Location</label> <label>Fragments</label> <label>Attribute</label> <label>Debug Spawn</label> <format>{{{debugspawn4}}}</format> </group> <group collapse="open" class="tab-fragment"> <header>Data Boxes</header> <image source="image6"></image> <label>Location</label> </group> </infobox> The Water Filtration Machine is an Interior Piece that makes water and salt. It is made with the Habitat Builder inside either a Multipurpose Room or Large Room.

Use

A Water Filtration Machine uses Energy from a Seabase to desalinate seawater, making Salt and Large Filtered Water (+50 water). It takes about 15 minutes and 40 seconds to produce one Large Filtered Water and 7 minutes and 40 seconds to produce one Salt. A single Water Filtration Machine uses 0.85 points of Energy per second, or 51 Energy per minute (taken two or three at a time), and thus can be powered nonstop with four Solar Panels above 100m depth or almost nonstop with one Bioreactor.

Building a Water Filtration Machine has a base Hull Integrity penalty of 1.0 units, and takes up one wall. It will not block the construction of other base components that take up a wall (Windows, Reinforcements, Wall Planters, etc.) on the two wall panels to either side. Eight can be built per Multipurpose Room. Water Filtration Machines can share a Multipurpose Room with a Nuclear Reactor or Bioreactor, but not with an Alien Containment.

The four Storage slots of a Water Filtration Machine are sectioned into two slots for salt and two for water. If one resource is taken from the machine it will continue operating but generate only that resource: it is not necessary to remove the salt for it to make more water or vice versa. It will cease operation and not draw power once its inventory is filled.

A Water Filtration Machine can be built above water but will produce no salt, and only make water at 1/8th of the speed below water. Perhaps this is because it can also draw and condense moisture from an atmosphere, though the Databank entry only says the water comes "from an external source."

If powering a Water Filtration Machine with a fuel-using energy source, particularly if using a Bioreactor, each Large Filtered Water takes 799 energy to produce: if the machine has been emptied, this means that at a reserve of at least 1,598 energy will be needed to avoid the base running out of power.

Salt applications

While the Water Filtration Machines primary purpose is producing Large Filtered Water it is also an infinite source of Salt Deposits, which can be used for purposes that work well with the production of water.

• Additional water source - Salt can be used with Coral Tube Samples to produce Bleach, which in turn is used to produce 2 bottles of Disinfected Water, each giving an addition 30 units of water, thus a Machine with a full inventory will provide up to 220 units of water. You can take advantage of this by building your base near Giant Coral Tubes, which are pretty much infinite as well.
• Curing food - Salt can be used to cure edible fauna, which will make them a bit dehydrating but prevent them from decomposing, thus making them suitable for long outings without a source of sustenance. You can use an Alien Containment to breed Reginalds, which are the most nutritious edible fauna, when combined together with a Large Filtered Water it will provide 48 units of water and 44 units of food. A Machine with a full inventory will provide double that i.e. 96 units of water and 88 units of food, which is around 7 times that of a single Marblemelon which uses the same amount of inventory space and would eventually decompose.

Recipe

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Data Bank Entry

The filtration system draws water unfit for human consumption from an external source, atomically splits it into its constituent parts, and outputs consumable liquid water and salts, while disposing of any harmful by-product. It can be built in any compatible habitat module, but has substantial power requirements. 'The Alterra Water Filtration System: Any liquid into pure, refreshing, pH-balanced water? Yes sir, ANY liquid!'

Gallery

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  Front

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  Side

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  Side

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  Water Filtration Machine producing a Large Filtered Water

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  Water Filtration Machine exterior seawater intake panel

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  Concept Art

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  Water Filtration Machine model from Sketchfab

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  Highpoly model from Sketchfab

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Trivia

• When the Water Filtration Machine was originally added it was extremely cheap to build, requiring only 2 Titanium and nothing else.

Bugs

This section contains bugs related to Water Filtration Machine (Subnautica). Make sure to only post reproducible bugs, and use appropriate system template ( , , , / ) depending on which platform(s) the bug has been encountered on.

• , A Water Filtration Machine will block the construction of base modules on the two panels adjacent to it, but not its own panel if the new module generates a corridor. If the player constructs such a module with the machine still in place, the Water Filtration Machine will be deleted and the resources used to make it will be lost.