I expect premium quality to burn white. I've had strains I've enjoyed that burn to a lump of coal but IMO this alone would be considered lower quality. I've been told its from nutrients and or lack of flushing.
White ash has to do more with chlorophyll degradation and sugar transformation during the cure. Outside plants never get flushed of nutrients, yet they can still leave white ash. Tobacco cigarettes are a good example of this. Any tricks for indoor grows are based on light and temperature manipulation toward the end of flowering. It's basically a jump start on degrading chlorophyll and sugars.
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I expect premium quality to burn white. I've had strains I've enjoyed that burn to a lump of coal but IMO this alone would be considered lower quality. I've been told its from nutrients and or lack of flushing.
White ash has to do more with chlorophyll degradation and sugar transformation during the cure. Outside plants never get flushed of nutrients, yet they can still leave white ash. Tobacco cigarettes are a good example of this. Any tricks for indoor grows are based on light and temperature manipulation toward the end of flowering. It's basically a jump start on degrading chlorophyll and sugars.
@Limonene you beat me to it
@TreesPlz