Kelp forests are submerged marine ecosystems dominated by towering brown algae that are crucial biogenic entities, nurturing a diverse and interconnected host of marine life. These underwater habitats ...
but the same thing can happen underwater and it can take decades before somebody even notices." The condition of global kelp forests has been outlined in the State of the World's Kelp report ...
You can then stay AFK for a bit to see how the kelp will grow underwater before getting pushed to the hopper and chest system. After a while, the chests will start filling up with kelp.