![]() ![]() When using the water extraction method, sometimes known as bubble hash, a series of successively-smaller mesh-screen bags are placed, one inside the other, and put in a bucket or similar receptacle. Then, they are cured for weeks to ensure that all traces of water or solvent have evaporated. With water or solvent extraction, the crystals are isolated from the remaining plant matter and suspended in solution before being filtered through a fine mesh and dried. However, a dry-sieve or hand-rub method will never achieve the level of purity that can be achieved by using a more precise form of mechanical or chemical extraction. The theory is that the crystals must be separated to create hash in any technique. Usually, high-grade extracts are made using a solvent such as alcohol or butane gas, or simply with ice-cold water. Now, as the medicinal cannabis industry becomes fully established in the USA and elsewhere, the medicinal-grade hash produced by some of the licensed, regulated producers are arguably among the finest cannabis products found in the world today. ![]() “Pure” cannabis extractsĪs modern techniques to extract the resin from cannabis have improved, the resulting products have become exceptional in quality and potency. However, in the case of hand-rubbed hash, the curing stage is particularly important as the fresh plants contain a vast quantity of moisture that must be removed. The time taken to properly cure the hashish is also very important, not only for hand-rubbed hash but for that made using any method. The quality of hand-rubbed hash can be affected by the quality of the plant itself, as well as by the care taken to avoid including plant material. In the case of charas (Indian hand-rubbed hash), this “curing” stage may be several years in duration. Hash-makers will quite literally spread their arms and run through fields of mature cannabis plants, catching the sticky resin on their skin so that it can be rolled into balls and left to “cure”. With this method, the cannabis resin is typically collected from living plants still in the field. Popularised because of exportation throughout the world, hand-rubbed hash is almost as common in global terms as dry-sieve. This technique is widely practised in India, Nepal, Afghanistan and Pakistan, as well as in many lesser-known hash-producing countries such as Bhutan and Myanmar. Hand-rubbed hashishĪfter the dry-sieve method, hand-rubbing is the second most popular technique. Again, shaking for longer produces lower-grade hash with more plant matter. This captures only the ripest and most developed trichomes. To produce the highest-quality dry-sieve hashish, such as the varieties known as Double Zero, King Hassan and Ketama Gold, good-quality plants are shaken over a fine screen for just one or two minutes. When using the dry-sieve method, the length and intensity of the ‘shake’ will also produce varying results. The size of the mesh dictates the quality of the resulting hash: a fine screen will produce high-quality hash, a screen with wider gaps will produce lower-grade hash with more plant material contained within the mix. Here, fully-grown, harvested and dried cannabis plants are shaken or rubbed over a fine-mesh screen to capture the powdery, crystalline resin as it falls from the plant. Perhaps the most popular method to extract hash is the dry-sieve technique. There are many different ways to make hash, and some of these techniques have been developed over hundreds of years by traditional cannabis-growing communities, such as those found in Morocco’s Rif Valley. Hashish (or hash) is comprised of extracted cannabis trichomes, which contain the psychoactive compound THC, as well as over a 100 other cannabinoids such as CBD, CBN and CBG. Although not much has changed about the way we use hash, a lot has changed about the way we make it! ![]() From hand-rubbed hashish to fully commercialized carbon dioxide extraction, hash has been on a global journey of its very own. It’s amazing how the production of hash has evolved over the millennia that humans have been producing it. ![]()
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