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Bringing Japan's Finest Cookware and Tableware to Australian Kitchens.
Bringing Japan's Finest Cookware and Tableware to Australian Kitchens.
Cracks and Character: The Lifecycle of Your Hibachi Grill

Cracks and Character: The Lifecycle of Your Hibachi Grill

Constructed from the unique diatomaceous earth sourced from Japan's Okunoto Peninsula, the hibachi grill (konro grill) is built to endure and excel at high-heat grilling.

Expecting and Understanding Cracks

Here are an image of my hibachi grill (although I really like to call it konro grill because it makes more sense in Japanese) that I have been using for about 6 years at the point I write this article. This is how I appreciate the traditional Japanese cookware - signs of natural aging, free of modern chemicals.

Konro Grills

Please note that it is entirely normal for minor cracks to appear on your hibachi grill's surface. These can develop after 1-5 uses, occasionally even after the first use, due to the natural expansion and contraction of the diatom mud from the heat.

This is not a sign of misuse or defect. Instead, it is a predictable aspect of the grill's response to heat.

Beneath the surface, the hibachi grill is supported by a robust steel frame. This durable construction is paired with the thick diatom mud walls, which together are engineered to handle the stress of thermal expansion without affecting the grill's performance.

What is Diatomaceous Earth?

Diatomaceous earth, also known as diatom mud, is composed of the fossilized remains of diatoms. Its naturally insulating properties form the backbone of the hibachi grill's structure, enabling the grill to sustain temperatures between 900 to 1200 degrees Celsius.

The grill's ability to maintain consistent high temperatures is a direct result of its thick diatom mud walls. This design ensures efficient use of charcoal and even heat distribution, allowing for precision grilling and perfect sear marks on your food.

Maintenance for Durability

Preserving the life of your hibachi grill involves simple but essential care. Store the grill indoors when not in use. By doing so, you prevent the porous diatom mud from absorbing moisture that could lead to more significant cracks when the grill is next heated.

Your hihachi grill is a durable, efficient, and high-performing tool that marries the ancient art of diatomaceous earth crafting with the needs of modern culinary practices. By understanding its material characteristics and how to care for it, you ensure a long-lasting relationship with this exceptional grill.

When to Retire Your Hibachi Grill

After years of reliable service, should the grill display cracks that compromise its structural integrity to the point of unusability, this is the grill telling you it has fulfilled its purpose. At this juncture, it is time to retire your current grill and welcome a new one.

About the Author

Authored by our specialist, Kai, in collaboration with Melbourne chef Roger Young, his collection of articles forms some of the most detailed guides about the hibachi grill, also known as the konro grill, available online. They offer an in-depth exploration of this traditional grilling equipment. To maintain their accuracy and relevance, we update these guides monthly, keeping pace with the ongoing advancements in the field of traditional grilling.

For any further enquiries, feel free to email us at or use the chat box on this page. Our team is committed to a swift response.

See our hibachi grill / konro grill collection.


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