^^^ True. Epsom salts give one a somewhat pleasant flush when injected. In my opinion this due to the laxative nature of epsom salts
Glucose, in the amounts snorted or injected will not give any feeling.
I just wish fuckheads would stop cutting gear with epsom salts when they know it will be smoked!
Just a quick guide to detecting common cutting agents:
Glucose: the gear is sweet tasting of various degrees. Good meth is as far from sweet as as it could be. It is probably the most bitter thing I have ever tasted. When smoked, you can taste burned sugar.
MSM: This is very slightly bitter tasting stuff. It can be in a form of tiny crystals straight out of a jar that can be mixed with gluggy speed variety to make it actually look even better. When melted and recrystalised, it forms crystals almost identical to meth rocks. This stuff will burn aboslutelly clear unlike most meth. Try tasting it. Wipe possible meth powder of a crystal and put on your tongue. If it makes a somewhat cold sensation, its MSM. It should hardly be bitter. When MSM is melted together with meth at around 175C (meth melts at 175C and MSM at 115 or both around those figures)and then recrystalised, it will form whats known as frosty rocks. This will be non transparent off-white rocks with majority of MSM on the outside.
When MSM is smoked, you will hardly breathe out any smoke. When meth is pulled hard, you'll feel like a fire dragon. Raaa.
Niacinamide (Vitamin B3): This is rare but the properties resemble that of MSM. Its melting point is however somewhere around 50C, so if you have some gear and its solid, and after carrying it in a pocket for a while it becomes gluggy, this could be the culprit.
Epsom Salts: This is Magnesium Sulphate used as a laxative. It has an appearance of small transparent perfect rectangles when hydrated - which is the form it comes in when bought. It can be fried in an oven for an hour to de-hydrate it and form white powder. The hydrate form is usually used to cut gear because many mistake the perfect rectangles for metn crystals. It has a mild bitter taste. Epy salts will not burn in a pipe but the hydrated form will crackle leaving a chalky residue in the pipe - that's the dehydrated form. When injected, epy salts will give one a pleasant rush as described above. [Edit in light of a new idea] Minerals play a great role in our bodies. A sudden hit of magnesium may throw off the natural balance inside the body and cause unpredictable consequences (bum rush being the only noticable one
More evidence on this is needed but the warning is there. See Biscuits post below for more on this.
Rock Salt: This is used sometimes to cut meth rocks. Rock salt closelly resembles meth rocks. It is obviously salty and will crackle in the pipe as it dehydrates.
Ephedrine/Dexies/Any other pills out of the cubboard: Some idiots use these to cut speed. These will not smoke up properly and will present problems when injected which is one of the reasons why injecting street speed is highly discouraged by me.
Any other chemical that a dealer has excess to can be used to cut gear. This ranges from Ajax to cockroach spray. This is not because the dealer wants to kill his clients, but because the dealer genuinly believes that the chemical won't do that much damage.
Sorry dfi, you line of reasoning is flawed.
The safest way to consume speed is to eat it, because this way the stomach is given a chance to take care of some of the nasties. If you are certain your meth is pretty clean of really dodgy stuff, by all means snort or smoke. I personally discourage injecting street speed altogether, because even if it appears to be clean, certain impurities can prove to be in the worst case scenario deadly.
I am yet to encounter speed cut with glass powder. I have only heard rumours along the lines of light bulbs being crushed to cut speed. These are ONLY rumours, but nonetheless, be VERY careful.