
Lava source highlighter
A mod which marks lava source blocks that are still and what direction lava is flowing in.
About this Mod
Lava source highlighter. is a simple mod that shows where still lava source blocks are and also what direction lava is flowing. This mod is quite simple and is good for draining lava lakes. I made this mod to help technical Minecraft servers that make perimeters and have to drain lava lakes and this mod makes it easier to do!
Available Versions
How to Install Lava source highlighter on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Lava source highlighter". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1, 1.18.2
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Lava source highlighter 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 (1.20.1). You can switch loaders with one click in the panel.
Is Lava source highlighter compatible with fabric?
Lava source highlighter officially supports fabric for Minecraft 1.20.1, 1.18.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Lava source highlighter – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Lava source highlighter 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.
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