Can You Compost Bones?

Can you compost bones? Yes, you can. Bones are an excellent source of compost. They're easy to break down and brittle, so you can mix them into the soil to speed up decomposition.

You can also burn or grind them to create Bokashi. But what about boiling? There are many methods you can use, and we'll discuss them here. In the meantime, you can continue eating your meat.

Can You Compost Bones?

Bokashi Bin Composter

When you're attempting to compost bones, you can try adding sugar to the Bokashi bin to jump-start the bacteria. This won't necessarily work, however. The best way to determine how often to add sugar is to smell the Bokashi bin with the lid off. 

The smell is due to moisture and decaying food. You can try draining the bin more frequently, or compressing the contents to make them smaller.

To compost bones, first make sure to rinse them well before burying them.

A Bokashi composter will break down the bones much faster than a standard composter. You can store the Bokashi in a bucket over the winter and bury it in garden beds once the soil thaws. If you choose to use the Bokashi in the spring, make sure you don't bury the bones in the soil because the acid in the compost can burn the roots of tender plants.

Composting Bones by Burning

If you've ever wondered how to make compost from discarded animal bones, the answer may surprise you. Bones are made up of calcium and collagen, two compounds that bacteria and fungi enjoy attacking.

These minerals are not easily digested by microbes, and they have to navigate around a tight linear structure to reach the bones. This can be a challenge for even the most determined composter. Fortunately, there are some easy steps you can take to make compost from bones.

Composting Bones by Grinding

If you're interested in making a compost pile, composting bones by grinding is an excellent way to reduce your waste. Bones are composed mostly of collagen and calcium, which are very hard to break down and will not be broken down by composting microbes.

The bones' collagen and calcium bonds make them SUPER strong, but they will not break down quickly in your compost bin. Thankfully, there are a few simple methods you can use to grind bones and get them composting.

First, grind and cook your bones before adding them to the compost pile. Then, allow them to break down into a fine powder before mixing with other organic material.

It takes a few months to fully decompose chicken bones and fish bones. Beef bones and thick bone scraps from wild game can take nine months. In addition to bone scraps, you can also grind and compost meat scraps. It's a great way to reduce your waste and improve the soil in your garden.

Composting Bones by Boiling

Using bones in your compost pile is an excellent way to add more nutrients to your garden. Bones are relatively difficult to break down, so it's important to boil them first.

The water from boiling bones can also be added to your compost pile, which will help break down the ingredients much faster. You can also dry the bones by placing them outside and covering them with compost for a day. This will reduce the smell and the risk of attracting unwanted critters.

Bones are made up of collagen fibers and calcium phosphate. The bones break down into calcium and other beneficial minerals once they have been boiled. The process takes many months to complete, however, and will take longer if you add bones to cold compost.

Once they have broken down, they are ready for use in your compost pile. Just remember to keep the bones out of the reach of your pets and children. When you're ready to compost them, they can be reused in your garden as fertilizer.

Composting Bones by Burying

When composting your own food scraps, there are a few things you can do to increase the rate of decomposition. Chicken bones and fish bones decompose quickly, while beef and pork bones can take longer.

When it comes to decomposing meat and fish bones, the softer parts of the bones, such as marrow, break down faster than the bones themselves. If you have some time to devote to composting your bones, you can cook and crush the bones before adding them to your bin.

Bones are an excellent source of compostable materials because they are entirely natural and come from a living organism. As they break down, they release nutrients into the soil.

Unlike plant material, bones take a long time to decompose, and it's better to bury them in the middle of your compost heap than on the edges. This will ensure the most heat and humidity.

This will help the bones to break down faster, and will prevent pests from entering your compost bin through open doors.


Composting, as a treatment of organic waste, had been proven to significantly reduce the volume of wastes in the country.

Are they fun? Heck yes, but greener options are the way to go for sure.

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