How to get a depth module tadpole upgrade in Subnautica 2

A Subnautica 2 guide shows where to find the tadpole depth module blueprint near Ruby’s tadpole wreck and Alien Ruins.

It also lists the crafting materials needed for the modification station and the depth module itself, including enameled glass, celestine, and a system chip.

Once built, the upgrade can be installed on the tadpole submarine to raise its safe dive limit to 450 meters.

The added depth makes deeper exploration much easier and reduces how often players need to surface.