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HMD

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Our takeaway

Definition

An HMD (Heat Management Device), also called a smoke box, is an attachment for the shisha bowl that regulates the heat from the charcoal. It is usually made of metal such as aluminum or stainless steel and is placed directly on the bowl. Well-known models include the Kaloud Lotus, Na Grani, or Onmo. HMDs ensure even heat distribution, prevent direct charcoal contact with the tobacco, and keep ash away from the bowl.

How it works

How HMD works

The HMD is placed on the shisha bowl, and the glowing coals are placed inside it. Its design regulates airflow and heat transfer, ensuring the tobacco is heated evenly. Some models have a lid or adjustable ventilation slots to further control the temperature.

Benefits

Why HMD convinces

  • Even heat distribution: Ensures constant and uniform heating of the tobacco.
  • Longer coal lifespan: Efficient heat retention often makes coals last longer than with foil.
  • Less ash in tobacco: The HMD prevents ash residues from falling onto the tobacco.

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What you should pay attention to

  • Price: High-quality HMDs are more expensive than classic foil.
  • Heat sensitivity: Some stainless steel models can get hotter than desired.

Images

Impressions & Details

Disadvantages

Conclusion

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