How do you use a composter in Minecraft?

Who this is for: Minecraft players wanting to automate farming and efficiently produce bone meal fertilizer.


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Crafting Your Composter

To make a composter in Minecraft, you’ll need 7 wooden slabs of any type. Arrange them in a U-shape in your crafting table – fill the bottom row completely, then place one slab on each side of the middle row, leaving the center empty. This creates the hollow container you need for composting.

Adding Compostable Items

Right-click on your composter to add organic materials. Different items have varying success rates for adding compost layers:

Success Rate Items
30% Leaves, saplings, seeds, dried kelp
50% Cactus, melon slices, sugar cane
65% Flowers, grass, ferns
85% Bread, cookies, hay bales
100% Cake, pumpkin pie

Each successful addition raises the compost level by one stage, visible as the brown material rising inside the composter.

Harvesting Bone Meal

Once your composter reaches level 7 (completely full), it transforms into bone meal. Right-click again to collect one bone meal item, and the composter resets to empty. The process typically takes 7-10 item additions depending on your luck with success rates.

Automation Tips

Place hoppers underneath to automatically collect bone meal, or above to continuously feed items. This creates an efficient farming loop where excess crops become fertilizer for future harvests. You can also connect multiple composters to increase production speed.

Composters work excellently near automatic farms, turning surplus vegetables and bread into valuable bone meal for accelerating crop growth throughout your Minecraft world.

TL;DR

Craft a composter with 7 wooden slabs, add organic items (30-100% success rates), and collect bone meal when full after 7 successful additions.

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Joyst1ck

Gaming Writer & HTML5 Developer

Answering gaming questions—from Roblox and Minecraft to the latest indie hits. I write developer‑focused HTML5 articles and share practical tips on game design, monetisation, and scripting.

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