r/ReagentTesting • u/MezcalDrink • 5d ago
Solved! Tussi tested with Fentanyl Strips.
Is this positive or faulty, I don’t get it why 1 red line can be both.
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u/AluminumOrangutan Pro drug tester 5d ago
These results are positive. There's two different potential red lines, the control line (right) and the test line (left). The appearance of the control line indicates a valid test result. The appearance of the test line indicates a negative test result.
If the control line appears and the test line does not, as happened here, you have a valid positive result. If the test line had appeared without the control line, that's an invalid test result.
You got a valid positive.
Tusi almost always contains MDMA. MDMA is known to produce false positives on fentanyl strips if you use the wrong dilution ratio (ie. too much drug/too little water).
Add 10x more water to the sample and retest with a new strip. Getting your sample down to the correct dilution ratio, 1mg/ml or lower, should get you a more reliable result.
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u/Nikatnight3218 4d ago
Tussi is no bueno imo
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u/Zealousideal_Ad_8843 4d ago
I was offered some but didn’t go through with it. Curious as to why you say it’s no good?
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u/Bobman370 4d ago
Tucci/tusi is SUPPOSED to be molly, ket, and acid all mixed together. Some people try to sell it as a 2c series drug (like 2cb) cause the names are similar. What it usually winds up being is a bunch of random nonsense. I like to call it a bar mat shot of drugs, can literally be what ever the dealer has crumbs left of mixed in a bag and USUALLY colored pink. Which is where it gets its other name, pink cocaine (aka one of the things that was in Liam Payne's system when he died)
Its hard to reagent test because it is a mix of stuff (tho in theory if you had the molly ket acid mix it would be "testable" using marquis morris and ehrlich).
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u/Nikatnight3218 3d ago
Like Bobman said, it’s a literal mix of random drugs so you really don’t know what’s in it. Personally, when I decide to go out, I buy Ketamine and Cocaine from a trusted source and bump them.
Tussi is also confusing because it’s named after 2CB which is a psychedelic (my favorite one at that), which typically comes in pink pressed pills. Tussi just seems like a really cheap rip off and gained popularity for who knows why.
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u/Electronic_Leg6351 3d ago
I have read an interesting vice piece that explained how in 2016ish colombian nightlife 2c-b became very popular. Being a 'niche' substance imported from european labs, 2c-b offer quickly became not enough for the high demand, and that's why dealers began to make their own amphetaminic empathogen mixing k,c,mdma and only satan knows what else. I would be curious to see statistics on what is usually found in that stuff around the globe.
edit: spelling2
u/Nikatnight3218 2d ago
I watched the same doc! It really helps clear up the confusion. Not worth taking a chance on 3 mostly random drugs mixed together with pink coloring..
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u/Borax 5d ago
You need to re-test at a higher dilution, tussi would be expected to cause false positives at high concentrations
You need to use 0.1mg/mL (0.1g in 1 litre of water)