Kelp

Kelp is a type of plant block added to Minecraft in the 1.13 - The Update Aquatic.

It was added in the 18w07a snapshot, and it can be planted underwater. Smelting it in a Furnace/Smoker/Campfire yields Dried Kelp. Players can eat dried kelp very fast, faster than other foods. 9 dried kelp can be crafted into a Dried Kelp Block which can be used as a source of fuel.

Wandering Traders will sell kelp in exchange for Emeralds.

Gallery

Coral and kelp in the depths of an ocean biome.

Tall kelp, which can stretch several blocks above the ocean floor.

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Blocks
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Manufactured	Bookshelf • Brick • Wool ( Carpet) • Concrete( Powder) • Conduit • Dried Kelp Block • Fence • Glass ( Pane) • Stained Glass ( Pane) • Glazed Terracotta • Hay Bale • Iron Bars • Jack-O-Lantern • Ladder • Painting • Scaffolding • Slabs • Smooth Stone • Cut Sandstone • Smooth Quartz • Smooth Red Sandstone • Slime • Snow • Stairs • Walls • Wooden Planks
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Utility	Bed • Brewing Stand • Cake • Cauldron • Chest • Shulker Box • Crafting Table • Enchantment Table • Furnace • Jukebox • TNT • Anvil • Blast Furnace • Barrel • Bell • Campfire • Cartography Table • Compost • Fletching Table • Grindstone • Lantern • Lectern • Loom • Smithing Table • Smoker • Stonecutter • Dispenser • Redstone Lamp • Door • Fence Gate • Lever • Note • Piston ( Sticky) • Pressure Plate • Rail ( Powered • Detector • Activator) • Redstone ( Wire • Torch • Repeater • Comparator) • Trapdoor • Trapped Chest • Hopper • Dropper • Daylight Detector • Tripwire Hook • Observer
Plants	Cactus • Dead Bush • Chorus Plant • Flowers • Grass ( Grass • Fern) • Leaves • Lily Pad • Melon • Mushrooms ( Huge)  • Mycelium • Podzol • Pumpkin • Saplings • Sugar Cane • Vines • Wheat • Log • Corals • Kelp • Sweet Berry Bush
Liquids	Lava • Water
Non-Solid	Fire • Sign • Torch • Banner
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The End	Dragon Egg • End Stone • Purpur • Endstone Brick • End Rod • Dragon Head • Ender Crystal
Creative only	Barrier • Structure Block • Jigsaw
Pocket Edition only	Stonecutter (old) • Nether Reactor
Technical	Piston Arm • Block 36 • Burning Furnace • Glowing Redstone Ore • Off-state Redstone Torch • Active Redstone Repeater • Flowing Water • Flowing Lava • Farmland • Pumpkin Stem • Melon Stem • Block 97 • Portal • End Portal Frame • End Portal
Unused	Locked Chest
Removed	Gear • Dirt Slab • Cyan Flower • Camera(PE)
Unimplemented	Crying Obsidian