Crafting and Using Neptunium Tools and Armor
This guide explains how to craft and use Neptunium tools, armor, and other powerful items from Aquaculture 2. Neptunium items are a type of shiny new loot that can be obtained while fishing.
Neptunium Ingots and Storage
Neptunium Ingots are the base material for all Neptunium items. You can craft nine 
Neptunium Nuggets into one Neptunium Ingot. Conversely, one Neptunium Ingot can be crafted into nine Neptunium Nuggets.
For compact storage of Neptunium Ingots, you can craft them into 
Neptunium Blocks.
- To craft a Neptunium Block, combine nine Neptunium Ingots.
- To retrieve Neptunium Ingots from a Neptunium Block, simply craft the Neptunium Block to yield nine Neptunium Ingots.
Neptunium Tools
Neptunium tools offer enhanced functionality. Each tool requires Neptunium Ingots and wooden rods.
Neptunium Pickaxe: Craft with three Neptunium Ingots and two wooden rods.
Neptunium Axe: Craft with three Neptunium Ingots and two wooden rods.
Neptunium Shovel: Craft with one Neptunium Ingot and two wooden rods.
Neptunium Hoe: Craft with two Neptunium Ingots and two wooden rods.
Neptunium Sword: Craft with two Neptunium Ingots and one wooden rod.
Neptunium Bow
The 
Neptunium Bow is a ranged weapon.
- Craft a Neptunium Bow using three Neptunium Ingots and three strings.
Neptunium Armor
Neptunium armor provides protection. Each piece requires a specific amount of Neptunium Ingots.
Neptunium Helmet: Craft with five Neptunium Ingots.
Neptunium Chestplate: Craft with eight Neptunium Ingots.
Neptunium Leggings: Craft with seven Neptunium Ingots.
Neptunium Boots: Craft with four Neptunium Ingots.
Neptune's Bounty
Neptune's Bounty is another item crafted from Neptunium.
- Craft Neptune's Bounty using eight Neptunium Ingots.
Neptunium is recoverable
The most practical fact about neptunium gear is that it is not a dead end. A Neptunium Axe put through a blast furnace returns a Neptunium Ingot, so a tool you have finished with, or one that came out of a chest in a shape you did not want, converts back into material.
That matters because neptunium comes from fishing rather than mining — the supply is slow, and recovering it is often faster than catching more.
Where it sits among the recipes
The mod's 51 crafting recipes cover its whole item list, and neptunium gear is the top of it. There is no fusion step, no multiblock and no machine: the endgame tier is crafted in an ordinary grid like everything else.
Fishing is the material source
Since neptunium arrives through fishing, the gear chain is gated by rod and hook quality rather than by mining depth. Building the hook line first is the direct route to neptunium, which inverts the usual order of a progression mod.
Recycling everything else too
The same recovery logic runs through the mod. A 
Golden Fishing Rod returns a 
Gold Nugget, an 
Iron Fishing Rod an 
Iron Nugget, a 
Tin Can seven Iron Nuggets, and 
Jellyfish a 
Slimeball. Keeping a furnace near your fishing spot turns the whole by-catch into materials.
Version parity
Counts are identical on 1.21.1 (2.7.21) and 1.20.1 (2.5.7).
Covers the mod’s in-game guide topics: Neptunium Ingot Neptunium Nugget Neptunium Block Neptunium Pickaxe Neptunium Axe Neptunium Shovel Neptunium Hoe Neptunium Sword Neptunium Bow Neptunium Helmet Neptunium Chestplate Neptunium Leggings Neptunium Boots Neptune's Bounty