To have a point of comparison, I will compare them with the other coals I used, the "Byzantium."
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Packaging 5/10: They are wrapped in plain paper and are not vacuum-sealed. This way, they can more easily collect moisture.
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Performance 5/10: Relative to their size, they do not have much duration as well as heat production. During ignition, they produce moderate levels of smoke and almost none during burning. They leave unburned residues.
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Size 8/10: In these dimensions, they were much more convenient for me compared to the previous ones (40 mm diameter), which I had to break into smaller pieces.
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Price 7/10: Decent price and slightly cheaper than the rest of the market.
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Final rating 5/10 is below average and I will not choose them again.