Early on in Subnautica 2, you'll be grabbing ore by hand. It's painfully slow, and you can't mine the big ore veins you'll come across with your basic tools—it'll say an "unknown tool is required". That's where the Sonic Resonator comes in.
This heavy-duty mining tool can blast large ore deposits like titanium, silver, and lead with ease, letting you collect valuable materials en masse—which you'll need once you start building bases and more complex tools. You can also use it to destroy Bloom Biofilm.
How to get the Sonic Resonator and mine in Subnautica 2
This is the Old Habitat where ... 
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