SUBNAUTICA / BASES

Water Filtration Machine

A powered habitat machine that produces drinking water and salt.

QUICK REFERENCEFirst SubnauticaReviewed 2026-10-28Reference / noindex

OVERVIEW

Understanding Water Filtration Machine

A powered habitat machine that produces drinking water and salt.

This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.

PRACTICAL APPROACH

How to use this information

Place in a powered seabase to stabilize long-term hydration.

COMMON MISTAKES

What to avoid

It consumes significant power and does not work without a functioning base grid.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

GUIDESWater Filtration And Food Farming

Make food and water sustainable during long projects

BASESExterior Growbed

An outdoor planter for cultivating suitable underwater or exterior plants.

GUIDESComplete Beginner Walkthrough

From Lifepod 5 to your first dependable underwater base

GUIDESFirst Oxygen And Water Guide

Maintain oxygen and water during the first days

CREATURESBladderfish

A small purple fish that can be converted into filtered water early on.

EXPLORATIONDepth Rating

Vehicles are rated for certain water depths and can be upgraded with appropriate modules.

PROGRESSIONFirst Day Survival

Stabilize food, clean water, oxygen and basic fabricator access near Lifepod 5.

Back to Base Building

Independent Volpedia editorial encyclopedia about the first Subnautica, reviewed 2026-10-28. Unaffiliated with Unknown Worlds Entertainment. Category illustrations are original diagrams, not in-game maps, screenshots or exact creature portraits. No fabricated damage statistics, spawn probabilities or detailed map coordinates. References are documented privately and not shown as outbound research buttons.