Automatic kelp farm : r/Minecraft Reddit
Kelp grows on the first layer, then pistons break the second kelp and higher. It floats to the top and drops into a row of hoppers. That's then funneled down to the smoker and the dried kelp deposited in the double chest. I then craft it into blocks and use them to fuel the smoker. Its slow turnaround: 9 dried kelp per kelp block, one block ...