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Water - Sandustry Wiki

Learn where Water comes from in Sandustry, how it creates Wet Sand, how fluid transport works, and why factory Water supplies can run out.

Updated 2026-08-19

Overview

Water is a liquid resource used to wet Sand and Seeds in Sandustry. It matters from the opening production chain onward because making Wet Sand consumes Water, so a factory must maintain both a usable source and a working delivery path.

This page reflects the official Wiki and current Early Access gameplay evidence checked on August 17, 2026. It does not use Demo-only Water mechanics or unverified throughput claims.

Quick Facts

Field Value
Type Resource / Liquid
Official Category Materials
Introduced Not confirmed
Related Systems Wet Sand production, fluid transport, Water cycle

How to Obtain

The official Wiki lists these Water sources:

  • surface lakes;
  • underground Water deposits;
  • melting Ice;
  • Rain formed when Steam reaches the sky;
  • Lumlings.

Enough Lumlings in one location can create a small but constant supply of Water. That wording does not mean unlimited throughput, and the checked sources do not provide a fixed production rate.

How It Works

Stage Verified Behavior
Source Water exists in surface lakes and underground deposits, and can also come from Ice, Rain, or Lumlings.
Processing When one Sand pixel touches one Water pixel, both are replaced by two Wet Sand pixels. Water is also absorbed when a Seed becomes a Wet Seed.
Transport A Pump takes fluid from the source, Pipes connect the route, and a Liquid Vent releases it at the destination.
Physical behavior Water pools in depressions, spreads toward a flat surface, and loose droplets that do not settle within 45 seconds evaporate.

Water is consumed by the Sand-to-Wet-Sand reaction. A pool that worked for a small line can therefore run low after the Sand feed increases.

Used For

  • Wet Sand production: Water converts Sand into the Wet Sand later processed by a Shaker.
  • Wet Seed production: A Seed absorbs Water and becomes a Wet Seed.
  • Factory supply: Pumps, Pipes, and Liquid Vents move Water from a source to a reservoir or wetting area.
  • State changes: Ice can provide Water when melted, while Steam reaching the sky can return as Rain.
  • Pump — the fluid input building.
  • Pipe — connects the Pump and destination.
  • Liquid Vent — releases transported Water.
  • Advanced Filter — can affect liquid resources; basic Filters handle solids.
  • Shaker — processes Wet Sand created with Water, but does not receive Water directly.
  • Sand — combines with Water to form Wet Sand.
  • Wet Sand — the material created when Sand touches Water.
  • Seed — absorbs Water and becomes Wet Seed.
  • Wet Seed — the result of wetting a Seed.
  • Ice — can be melted into Water.
  • Steam — can return as Rain after reaching the sky.

Tips and Notes

  • If Wet Sand production stops, check the source level before changing the Shaker line. Current Early Access gameplay shows wetting processes stopping after source pools are depleted.
  • For a transported supply, inspect the path in order: source Water, Pump input, continuous Pipe connection, Liquid Vent output, then destination space.
  • Keep solids away from the Pump and room around the Liquid Vent. Existing Early Access research records both input and output obstruction as causes of failed transfer.
  • Treat Lumlings as a small, constant source rather than a promise of unlimited factory throughput.
  • The checked sources do not establish a best reservoir shape or fixed Pump-to-Vent ratio.

FAQ

Where can you find Water in Sandustry?

The official Wiki lists surface lakes, underground deposits, melting Ice, Rain formed from Steam, and Lumlings as Water sources.

Why is Sand not turning into Wet Sand?

Sand and Water pixels must touch. If the process stopped after working earlier, check whether the source pool has been consumed or whether transported Water is failing to reach the wetting area.

How do you move Water to a factory?

Use a Pump at the source, connect it through Pipes, and place a Liquid Vent at the destination. A connected route still needs available source Water and an open destination.

Do Lumlings provide unlimited Water?

No unlimited throughput is established by the checked sources. The official Beginner’s Guide says enough Lumlings in one location can create a small but constant supply of Water.

Is there a fixed Pump-to-Liquid-Vent ratio?

No verified universal ratio is available. One existing player test is condition-sensitive and is not sufficient to define a fixed factory rule.

Update History

Updated: 2026-08-19, Asia/Shanghai — Water sources, Wet Sand conversion, Lumling boundary, and fluid-system facts rechecked for release review; visibility remains review-only.

Sources