Simple Diving Gear: Painless Underwater Building in Minecraft
Underwater construction in vanilla Minecraft is a tedious chore. You constantly run out of air, break blocks at a snail's pace, and swim like a brick. Standard solutions like the Conduit or potions of Water Breathing are either resource-heavy or just don't provide the freedom you need. Simple Diving Gear fixes this by offering a straightforward, no-nonsense toolkit for exploring and building beneath the waves—and even in lava.
What the Mod Adds
This mod is deliberately minimalist. It introduces two complete armor sets and one optional upgrade for each. No complex tech trees, no dozens of intermediary items—just the essentials for deep-sea and Nether operations.
The Diving Suit
The first set is designed for aquatic environments. On land, it's clunky: you'll suffer from slowness and mining fatigue. But the moment you dive, everything changes. You can hover in place, maneuver quickly, break blocks at near-normal speed, and—crucially—breathe. The suit has a finite air reserve, reminiscent of Subnautica, which depletes underwater and refills automatically on the surface. An on-screen indicator shows your remaining air, so you don't have to open your inventory to check.
The Lava Suit
Available since version 1.16.1, the lava variant works on the same principle but uses a "coolant" tank instead of air. While the tank has fluid, you are fully protected from fire and can move freely through lava lakes. Once it runs dry, your fire resistance vanishes, so you must monitor the coolant level as carefully as you would your air. The crafting recipe swaps obsidian blocks for Netherite ingots, making it a logical endgame upgrade for surviving the Nether's heat.
Optional Upgrades
The diving suit has an optional lighting module to help you navigate dark ocean floors. The lava suit also has a hidden upgrade, though the author keeps its details vague—experimenting with it is part of the fun.
How the Equipment Works
The mechanics are elegant and lightweight. The mod simply applies the necessary potion effects and enchantments while you are in the relevant fluid, then removes them when you leave. There are no complex scripts that might conflict with other mods. The breathing system, with its depletable tank and automatic surface refill, makes dives dynamic: you can't camp on the ocean floor forever, but you also won't suffocate after fifteen seconds. The on-screen timer is a nice touch that removes the need to constantly check your gear in the inventory.
Crafting and Recipes
Recipes are intuitive and use standard resources. The diving suit requires leather, iron, glass, and obsidian blocks—all easily obtainable before you even visit the Nether. The lava suit needs Netherite ingots instead of obsidian, which naturally elevates it to endgame gear. Upgrades are crafted separately and applied to a finished suit. All items are available in a dedicated creative-mode tab, so you can test them without playing survival.
Installation and Compatibility
The mod runs on Forge for versions 1.12.2 through 1.19.2, and has transitioned to NeoForge starting with 1.21.1. Installation is standard: download the file and place it in your mods folder. If you prefer a more modern approach, the foxygame.net launcher allows you to install Simple Diving Gear directly from its menu by selecting the mod in the catalog. This saves time and eliminates errors, especially if you frequently update your modpack. The author currently supports version 1.21.1, but older builds remain available and fully functional.
To get started, you need to know how to install it correctly. Simply download Simple Diving Gear: Painless Underwater Building in Minecraft, ensure your Minecraft version matches the mod file, and drop it into the mods directory. For those asking "how to install," the process is identical to any other Forge or NeoForge mod—no additional libraries or dependencies are required.
Development History
The mod has a consistent update history, evolving from its first alpha on 1.12.2 to the current 10th version on 1.21.1. Over time, the author added language files (Chinese, Portuguese, French, Japanese, Persian) and fixed critical bugs like server crashes and falling through the world in spectator mode. Version 1.1.0 introduced the Subnautica-style breathing system, and a screen indicator was added later. The lava suit started as an experiment but became a full gameplay element by version 5.0.0. The source code is open, so anyone can port it to Fabric or customize it further.
Final Verdict
If underwater or lava work in Minecraft frustrates you, this mod is a simple, elegant solution. It doesn't break game balance, doesn't drag in a mountain of dependencies, and doesn't try to reinvent the game. Two suits, two upgrades, clear mechanics—and you forget about breathing and speed problems entirely. The author actively maintains the project, updating it for new game versions and supporting the community. The mod is completely free, open for modification, and fits perfectly into both single-player adventures and server modpacks. Just try it—you'll likely never want to build underwater without it again.