Reservoir (Basic)

A reservoir is an item that stores fluids. It is functionally similar to a bucket. It can also automatically refill a player’s equipment.




Fluid storage

A reservoir can be filled and drained by hand, or automatically using a fluid transposer or similar. It can be filled and drained at rates up to 1,000 mB/t. A basic reservoir can store up to 10 buckets worth of fluid (10,000 mB). This can be increased by upgrading the reservoir to a higher tier.

A reservoir can be in one of two usage modes: Fill and Empty. The current usage mode of a reservoir can be switched by pressing “Cycle Item Mode” (V by default) while holding it.

When a reservoir in Fill mode is used on a fluid source block, it picks the fluid up like a bucket and stores it. When used in Empty mode, a filled reservoir places one bucket worth of fluid in the world.

A reservoir can also be used on blocks that store fluids to fill or drain them.

Refilling items

A reservoir can be activated and deactivated by using it while sneaking. When active in a player’s inventory, a reservoir automatically refills held and worn items that can hold fluids.


A reservoir can be enchanted with Holding to increase its capacity.

Holding level Capacity multiplier
I × 1.5
II × 2
III × 2.5
IV × 3


Reservoirs come in six tiers.

Tier Capacity Note
Basic 10,000 mB  
Hardened 40,000 mB  
Reinforced 90,000 mB  
Signalum 160,000 mB  
Resonant 250,000 mB  
Creative N/A Provides an unlimited amount of the fluid it stores.
Thermal Expansion
Machines Redstone Furnace Pulverizer Sawmill Induction Smelter Phytogenic Insolator Compactor Magma Crucible Fractionating Still Fluid Transposer Energetic Infuser Centrifugal Separator Sequential Fabricator Alchemical Imbuer Arcane Ensorcellator Glacial Precipitator Igneous Extruder
Devices Aqueous Accumulator Nullifier Thermal Mediator Arboreal Extractor Aquatic Entangler Item Allocator Fluid Allocator Lexical Transmuter Insightful Condenser Decoctive Diffuser
Dynamos Steam Dynamo Magmatic Dynamo Compression Dynamo Reactant Dynamo Enervation Dynamo Numismatic Dynamo
Storage Energy Cell Flux Capacitor Portable Tank Reservoir Cache Strongbox Satchel
Machine Auxiliary Reception Coil Auxiliary Sieve Nullification Chamber Trivection Chamber Flux Anodizers Pyrolytic Conversion Tectonic Initiator Resin Funnel Metallurgical Recovery Pyro-Concentrator Nutrient Recovery Sapling Infuser Monoculture Cycle Numismatic Press Gearworking Die Pyroconvective Loop Reflux Column Alchemical Retort Flux Linkage Concentrator Flux Reconstruction Parabolic Flux Coupling Enstabulation Apparatus Pattern Validation Fluidic Fabrication Reagent Recovery Pyroclastic Injection
Dynamo Auxiliary Transmission Coil Fuel Catalyzer Transmission Coil Ducting Excitation Field Limiter Boiler Conversion Turbine Conversion Isentropic Reservoir Closed-Loop Cooling Ignition Plugs Elemental Catalyzer Disjunctive Extraction Lapidary Calibration
Other Coolants Florb (Magmatic) Morb (Reusable)

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Last updated: 2018-01-17 19:07:05 +0000