Good Way to farm copper? :: Subnautica General Gameplay .
WEBJun 17, 2015 · Reefback barnacles have copper ore in them, which is a relatively safe and early source, becareful of tigerplants. Get the PRAWN and the drill arm and find yourself the copper chunk rocks and farm all the copper you want. This question is over 2 years old. The OP has probably built a cell charger by now.