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The Gandalf Natural Perc Glass Bubbler Hash Pipe is a hash lovers favorite for very good reason.  We have chosen to include a unique bowl selection on a version of the Gandalf Natural Perc Glass Pipe model; an old school Hash Bowl. We skip the bowl hole at the bottom of this bowl and put vents near the rim instead. Using a hot pick tool, three vent holes are punched close to the upper rim. The Hash Edition version ships with a hot stick. Place a chunk in the bowl, heat the ball end of the hot stick with a common Bic Lighter for 30+ seconds or a torch for less time and push the now slightly red ball of the hot stick into the chunk. As the chunk melts, it also vaporizes. The vapors are sucked into the vent holes before they escape the bowl.Chameleon has offered Hash Bowl style vented glass pipes since 2006. Ever since I was introduced to ice separation /concentration at the Harvest Cup, I have enjoyed bubble hash. No, not extracted oil like your damn pen, bubble hash. It's different. What's the difference you ask. Bubble and other concentrates do not employ solvents, aerosolizers or chemical thinners necessary for extraction / use in 'vape' pens. Solvents, aerosolizers and thinners stay in your extracted oil. Solvents also strip out all the 'other' good stuff like natural terpenes (flavonoids) and non-THC cannabinoids (CBD, CBG and CBN). I personally have solvent sensitivities which is why this is a hot button issue for me. Not to mention, extracts don't get me there anymore. Sure, there are times for near beer and vape pens, but my body craves the whole cornucopia / entourage effect of the plant.The length and shape of Gandalf Natural Perc Glass Bubbler Hash Pipe hits like a dream. In addition to a long neck that provides optimal space between bowl and mouthpiece, the natural perc provides good cooling action on your smoke, and it's super easy to clear each and every pull.We've been selling Gandalfs ever since and have several colors to choose from and even a few different functional designs like our Hash, Ash Catcher and Mag Tech editions. By chance, I noticed some unusual behavior of water while I was cleaning mine. Enough water was left in the pipe after a rinse that airflow was blocked. If I inhaled through the pipe, the water always returned to block the airflow, which is how a Natural Percolator works.Problem was, the surface tension of water caused it to climb (even the steep neck of a Gandalf) and end up in my mouth. Yuck. I broke out my old fluid dynamics book and then cross referenced it against my Scientific Apparatus books. I found that a simple in line bubble would break the surface tension and cause the water to fall back against gravity into the air flow. Call me Bandobras.Hand Made in the USA