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Is Charcoal Reusable?

Published in Grilling Charcoal 3 mins read

Yes, charcoal is reusable.

Reusing charcoal is a practical way to save money and resources, although there are some important considerations to keep in mind. Here's a breakdown of how to reuse charcoal effectively:

How to Reuse Charcoal

The primary point to remember when reusing charcoal is that its heat output diminishes with each use. This means that charcoal which has been previously used will not produce the same high heat required for some cooking tasks like searing.

Steps to Reusing Charcoal:

  • Extinguish Properly: Make sure the charcoal is fully extinguished. This can be done by closing the vents on your grill, or, if in a kamado-style grill, completely sealing the grill until the coals are cool. Never use water to douse hot charcoal unless it's absolutely necessary, as it can leave it soggy and difficult to reuse.
  • Collect the Cooled Charcoal: Once the charcoal is completely cool, carefully gather the remaining pieces. Avoid handling them while they are still hot as they can retain heat.
  • Store Dryly: Store the used charcoal in a dry place in a container. Moisture can ruin charcoal and make it difficult or impossible to light.
  • Mix with Fresh Charcoal: When you're ready to grill again, mix the used charcoal with fresh charcoal. This will help improve the burn time and heat output. According to the provided reference, the heat output will be reduced compared to a fresh batch.

Benefits of Reusing Charcoal

  • Cost Savings: Reusing charcoal can save money as you don’t need to buy as much new charcoal for each cook.
  • Environmentally Conscious: Reusing charcoal reduces waste and the resources needed to create new charcoal.
  • Practicality: Once you’re used to the process of reusing charcoal, it's an easy step that reduces costs and waste.

Considerations When Reusing Charcoal

  • Reduced Heat Output: As the reference indicates, used charcoal produces less heat. If a high-heat sear is needed, using only fresh charcoal would be ideal.
  • Ash Content: The buildup of ash may limit airflow. It's often best to remove most of the ash from the grill before each new grilling session to maximize airflow and efficiency.
  • Briquette Quality: High-quality briquettes, like the ones mentioned in the reference, are more likely to be durable enough to be reused. Inferior ones may crumble more easily.

In conclusion, while you can reuse charcoal, it's important to understand that it won't perform the same as new charcoal. However, it is still a viable and valuable option when used correctly and is good for the environment.