Redstone Underwater

Redstone Underwater

Redstone can now be waterlogged!

by
565 Downloads
fabricgame-mechanicstechnology
Rent Server with this Mod

Screenshots

Colored Redstone
Vanilla Redstone

About this Mod

Adds gamerule 'any_redstone_on_water': if false, to place redstone underwater craft a redstone dust with a glow ink sac.

Adds gamerule 'colored_redstone': if true, redstone when placed underwater will have a different color.

Default Vanilla Redstone Release (everywhere): True and False.

Vanilla Redstone Release Screenshot Colored Redstone Preview

Default Colored Redstone Release (when underwater): False and True.

Colored Redstone Release Screenshot Colored Redstone Preview

Repeaters and Comparators are also able to be placed in water now! And have colors (Colors are a bit WIP)

This mod was made for my other mod Waterlog that adds a lot of blocks to the water, including buttons and levers, full list here:

https://modrinth.com/mod/waterlog

Support my work at ko-fi.com

Available Versions

Colored Redstone (Default)release
MC 1.21.11fabric
February 9, 2026
Vanilla Redstone (Default)release
MC 1.21.11fabric
February 9, 2026

How to Install Redstone Underwater on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

Open the mod browser in the dashboard and search for "Redstone Underwater". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Redstone Underwater server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.

Is Redstone Underwater compatible with fabric?

Redstone Underwater officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Redstone Underwater – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Redstone Underwater consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Redstone Underwater with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
Mozilla Public License 2.0
Server-side
Required

Supported Versions

1.21.11