Ice is not tough and can typically be crushed fairly easily just using your fingers. MSM is stronger and harder to crush this way. So, if someone is crushing the meth to snort it, they should be able to tell if it has been cut with MSM because it will be more difficult to crush.
Users that smoke crystal meth can often tell if there is MSM cut into the drug because the process of heating the compound and then the compound re-solidifying is somewhat strange. When it is heated, as it melts, you will hear it making cracking and sizzling sounds. Then, it will become a runny liquid. When it re-crystalizes, it will take longer if MSM is mixed into the drug. Additionally, when it does re-solidify, the patterns that are created will look different.
Whatever the additive is though, it will take longer for the ice to return to a solid state than if there were no additives, just pure meth. Pure meth has a sort of fractal crackback pattern that originates from one point and shoots out. With MSM, the crackback pattern tends to be more geometric, like a series of tiny squares or circles that are stacked one on top of another. (See below, l to right, meth crackback, MSM crackback)
Additionally, meth, like other substances, can lead to addiction, which is detrimental to the user, as well as his or her friends and family. There are many physical, emotional, and relational problems that arise when addiction is involved that can destroy families and lives. The good news is that addiction is a treatable condition that can be managed for a lifetime.
The same thing can be said of smoking meth. Methamphetamine is a fragile chemical compound that's impacted by numerous factors in the physical environment. Until we learn how to play by the rules of the physical world when it comes to meth, chances are, we're going to make some mistakes. Mistakes = wasted product, less of a high, and a less pleasurable experience overall.
The good news is that we humans have been gifted a rule book of the natural world around us, which we can use to smoke more effectively in a safe and enjoyable way. That rule book is called science, and with a little research and brainpower you can be sure to maximize your stim experience. I've been wanting to make a detailed guide on a couple of difference subjects for a while now, so I've decided to combine them all into a master post here. A fair amount of research went into this guide, and all of my sources are cited if you wish to continue down the rabbit hole and learn more about anything discussed below. So without further ado...
Meth has a recrystallization point of between 170 and 175 degrees Celsius. If the meth is cut with iso, MSM, or other impurities, the recrystallization point is lowered. That means that if your shit is cut (ESPECIALLY if it's ISO), it will spend more time as a liquid and recrystallize slower than pure methamphetamine.
Get a glass thermometer than can measure up to at least 200˚C, a test tube, and a vial or a small beaker or something, that you can put the test tube in without it falling over. Put as much of the alleged drugs in the test tube as you can. Don't worry, it's a nondestructive test. Put mineral oil or cooking oil or some other clear liquid with a high boiling point in the beaker, then put the test tube in that and heat it on a stove burner or a flame or something. Eventually, the stuff in the tube will melt, and when it does, insert the thermometer. Wait for it to all melt, then turn off the heat and start monitoring the temperature. As soon as it starts to form crystals, make a note of the temperature. Pure methamphetamine should begin crystallization between 170˚C and 175˚C, and with cut methamphetamine this would happen at a lower temperature. If it's pure, this temperature should not change much at all during solidification. If it's highly-cut, then this number will be about ten degrees lower by the time it's fully solid.
When it does recrystallize, if it's methamphetamine, the crackback pattern will be a bunch of disjointed, jaggedy lines or a sheet of white, instead of clear fractals like you have with methamphetamine.
Also take notice of the taste and odor, of course. Pure meth has a very specific flavor that seasoned users will come to know and be able to discern. MSM has its own flavor, as does ISO. If it ever tastes bad , acidic, like plastic, etc...you can probably assume it's cut (unless you're just burning your product). Meth vapor should also have little to no odor associated with it. If there's a lingering stank left behind everytime you smoke, you can assume it's cut (unless, again, you're burning your shit consistently).
Another way to test for cut is by an evaporation test. Dissolve as much as possible in a small amount of distilled water, then put a few drops on a smooth flat surface, like a mirror or a plate. N-iso takes forever to evaporate, and when it does, there will be a geometric-looking crystal left behind, that's wet in the middle when you crush it. Methamphetamine will leave behind white crusty stuff that only consists of small crystals, and will evaporate considerably faster. Even if it's cut with something besides ISO, you'll know it's meth if it leaves behind white, crusty, small crystals.
Part of the reason ISO is such a popular cut is because a) it's very hard to remove once it's introduced to the compound b) it mimics the effects of meth in a very close way, but most importantly, c) ISO creates large, clear, impressive looking crystals.
It's difficult to get large, dramatic crystals from pure methamphetamine. People who judge purity based solely on crystal clarity and size are the reason ISO is so prevalent these days, especially with dark net vendors. If a vendor is advertising the color and size of their crystals, it's most likely cut with something.
Crystal hardness is also a determining factor. Meth is a very, very hard compound that is difficult to physically seperate. It takes a bit of effort to break apart a meth crystal, it's more like a small pebble of sedimentary rock. If meth is like sedimentary rock, I would compare ISO to limestone. It flakes off very easily in little sheets, as if the crystal was peeling. It takes almost no effort to crumble a crystal that has been cut, since the cutting reagants weaken the chemical bonds in the substance.
Isopropoylbenzylamine (commonly referred to as iso or n-iso in stim communities) is a common diluting agent found in street methamphetamine. Diluting agents can also be called "cut". Iso and meth have similar boiling points (only about 10 degrees Celsius in difference) and the same molar mass, which causes their hydrochloride salts to behave in a similar way. This means that iso can be added to meth (or even sold as pure methamphetamine) without the consumer being aware of its presence. Iso has not been shown to have any stimulant effects of its own, but anecdotal evidence has shown an increase of side effects related to "tweaking" on meth, including headache, shortness of breath, increased heart rate, muscle spasms, and cognitive distortion/confusion.
"For anyone unfamiliar, Mexican cartels have been heavily cutting the meth they make before smuggling it into the US. This has been happening since about February 2017. Not only are the crystals of this shit super huge and super clear, but people have to buy a lot more to get the same effect! The effects are usually mild, but since there's not much methamphetamine at all in most of this bullshit that's being sold, those effects can add up."
Observing your crackback is one way to determine if you have iso on your hands. Once it recrystallizes, the crackback look like a white sheet with jagged lines cut into it, whereas pure meth looks more like transparent, clear fractals. Compare these two images, the first is an n-iso crackback, and the second is methamphetamine crackback:
- this is a meth crackback. It reminds me of shattered glass, or at least that's the best thing I can compare it to for the sake of description. Notice the clear color, the fractal pattern that originates from a common point, and how it disperses over the glass like a coating.
Another, more scientifcally sound, way to determine if you're smoking meth cut with n-iso is by doing an evaporation test. Iso takes wayyyy longer than meth to evaporate. We explained how to do a proper evaporation test in the section above. Based on how long it takes for the water to evaporate, you'll know what your chemical compound is. N-iso should take hours, if not overnight, to evaporate completely. To reiterate, "when it does [evaporate], there will be a geometric-looking crystal left behind, that's wet in the middle when you crush it. Methamphetamine will leave behind white crusty stuff that only consists of small crystals, and will evaporate considerably faster."
Methylsulfonylmethane, commonly called MSM, is a white crystalline solid at room temperature that is regularly used as a cutting agent in the manufacture of methamphetamine. NMR studies, which are similar to MRI's, have demonstrated that oral doses of MSM are absorbed into the blood and cross the blood brain barrier. An NMR study has also found detectable levels of MSM normally present in the blood, suggesting that it derives from dietary sources.
As a cutting agent for methamphetamine, MSM offers many advantages. Pure MSM is an odorless, white, crystalline powder that is highly soluble and mixes readily with most substances without leaving a residue. MSM usually is added to methamphetamine during the final stages of production. Methamphetamine cut with MSM often appears to be uncut because after the chemicals are combined and the mixture cools, the MSM recrystallizes, resembling pure methamphetamine.
You can determine if your meth is cut with MSM based on the crackback and taste of the vapor. The crackback should look more geometric in its pattern. MSM crackbacks make a series of little squares stacked one on top of the other, instead of an off-shooting fractal pattern like methamphetamine. These are two good examples: _secret_to_crack_back_pattern_w_txt/ 781b155fdc