How to Get Coral Tube Sample in Subnautica
Take out your survival knife and go to a giant coral tube. Just slash it a few times, and you'll collect samples!
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Look for large hollow coral tubes, then just use your survival knife to gather samples. Easy as pie!
Honestly, just find a coral tube and knife it. It's literally that simple.
As a seasoned Subnautica diver, I can promise you: just whack those giant coral tubes with your knife and you're good to go!
Go swimming near the shallows until you find those big coral tubes, then whip out your knife and start chopping!
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