The most important thing is the size of the metallic mould: the diameter of the lumps should not exceed 30 to 40 cm, which is the ideal size of this briquettes type. Drying the briquettes Once compressed, the lumps must dry. According to the ambient temperature, it can last one to three days. You can watch them change colour from black to grey. For a faster drying of the charcoal, you can use a plastic hothouse or strew the briquettes on an aluminium sheet. Of course, you can also put them directly on the ground or onto a wooden support – which requires more time for the