But I'm not aware of a standard numbering nomenclature as the post implies. What's the best way to enter the Lost River in Subnautica? Is … I don't know what you mean by Blood Kelp 2. there is a hole in the ground leading to a tunnel, avoiding the golf ball trees, it's just a simple matter of navigation before entering the lost river. When you get into the inactive and active lava zones, look for the lava larva.
I am guessing it was just the order in which the OP found them but that's just me.
