Talk to a veteran cannabis user and you might hear of an interesting test to confirm that quality of your cannabis: if the cannabis burns (vaporizes) white rather than black, it is a higher-quality product.
Patients with a wide range of experience with cannabis are just beginning to learn about the ins and outs of their medical marijuana. If you have a condition that qualifies for treatment with medical marijuana in Ohio, you probably have plenty of questions based on what you've heard and what you've experienced—particularly about the quality of your cannabis.
In this post, we are going to take a look at the thought behind assessing the quality of your bud based on the color of the ash when you vaporize it, and what it really means.
While there is some truth to this belief that white ash means your marijuana is higher-quality, this is an incomplete explanation of the differing ash colors leftover from cannabis. In order to better understand where this myth originates from, we'll have to first understand the argument being made on behalf of this belief.
Why White Ash is Considered Cleaner
Proponents of this argument propose the following: cannabis that has been properly flushed and/or properly dried and cured will burn white, or near-white ash. Similarly, cannabis that burns a black color is a sign of uncured marijuana, and a plant that has been over-fertilized and/or treated with chemicals.
This belief is not a new argument, as the tobacco industry has been studying ash color for a significant period of time. Researchers found that, rather than fertilizer treatment altering the ash color, it was the fermentation process, specifically the high concentration of chlorophyll. According to Cannabis Business Times, the main takeaway is that white ash forms at high combustion temperatures and is mostly made up of minerals.
While comparing to relevant industries such as tobacco is helpful in analyzing this belief, there is one dramatic differentiation between "flushing" in general horticulture and the term "flushing" with regards to cannabis cultivation.
What Does It Mean to Flush Cannabis Plants?
In cannabis, the term flushing, or flushed, is the practice of feeding the cannabis plant solely water in the last week(s) of the growing process in order to "flush out" residual chemicals or nutrients that are used to boost the cultivation process.
While not all cultivators utilize the flushing process, broadly speaking it has become a compulsory piece of the cultivation process for many cultivators across the world. Other cultivators argue that the process of flushing is actually potentially harmful as the logic and science behind the argument is flawed. As such, according to the Pot Guide, many growers say their bud burns to white ash regardless of flush, and that any properly grown cannabis will do the same.
So, if white weed ash is not the tell-tale sign that your cannabis was flushed before harvest, what does the color of your ash mean?
What Does It Mean to Cure Cannabis? Does Improper Curation Lead to Black Ash?
Although not all patients may be familiar with the term "curing", you will definitely be familiar with the final result of curation. Curing is the process of preserving cannabis against degradation and bacteria during storage. Curation is used in cannabis cultivation to seal in desirable cannabinoids and terpenes while purging excess compounds. While curing and drying are often confused, curing refers to the careful release of moisture content in sealed containers over an extended period of time.
The argument concerning curing cannabis is that if you improperly cure bud, then the chemicals cannot perspire entirely. However there is no evidence to back this claim up.
It is important to understand the time investment that goes into properly flushing and curing cannabis. Many of the factors discussed above relate to a cultivator attempting shortcuts to harvest the plant and sell it as quickly as possible.
For a high-quality final cannabis product, cultivators must spend the time, energy, and focus on these final two steps to get the most out of the plant. This may also be another reason this can be such a touchy subject for some cannabis advocates, as making the proclamation that a plant is not quality because of the arbitrary color of the ash denotes a lack of curation and flushing by the cultivator.
So, What Determines the Color of Marijuana Ash?
All-in-all, there is currently no evidence to suggest that a white ash color always denotes high-quality cannabis while a black ash color denotes low-quality cannabis. According to Dr. Kusheef of Its Primo:
"Any carbon-based combustible matter will first turn to charcoal and appear black. It’s the persistence of heat that chemically alters the substance. So if you keep on burning the plant to the point where there is no carbon left, you’ll reduce the plant substance to its mineral content – which is most likely calcium, phosphorus, potassium, sodium, and magnesium. When you see this, you’re now smoking weed that appears to leave behind white ash."
According to Cannabis Business Times, "it appears the manipulation of temperature and light with the goal of chlorophyll degradation and sugar transformation are major contributors to a pleasant smoke and 'white' ash, not a good pre-harvest 'flush.'"
Ultimately, there are many other ways to know that the cannabis you are purchasing is quality prior to using it. The smell of cannabis is one of the most recognizable methods to confirm that the cannabis is potent, the stronger the smell of specific terpenes the more likely that particular plant was grown properly.
You can also look at the plant for visible crystallization of trichomes across the plant's leaves; cannabis with a lot of crystallization means the plant has been grown to the strongest it can. Finally, the feel of the cannabis can help denote quality as well; plants that are overly fluffy may have excess moisture, while plants that are overly dry may have degraded some of the terpene and cannabinoid profile.
Ohio Marijuana Card
If you are an Ohioan suffering from one of these 21 medical conditions you may be eligible to treat your ailment with medical marijuana, which includes both THC and CBD products.
Click here to learn more about what Ohio Marijuana Card's state-certified medical marijuana doctors can do for you, or give us a call at (866-457-5559) and our friendly support team can walk you through the entire process, and set you up with an appointment.
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