If you have the seamoth depth upgrade, you can explore it without trouble. Otherwise park the seamoth at 190m and swim down the rest of the way. #3. Greendragon245. Dec 21, 2017 3:59pm ... I imagine it's the same 'special equipment' that I require Magnetite to build. Arrrggghh... (Note about necros: before you comment it's a necro, I don't ...