Does Magnum Synthetic Urine Work? – Full Review

Magnum Detox

Look, dude, I like to catch good buzz sometimes, and I’m sure you do too!

I mean who doesn’t after a long week?

What I don’t like is when I get blindsided and find out that I have to take a supervised piss test for work with only a few days notice!

Let me tell you, nothing kills your buzz faster than a surprise drug test, especially when your job is on the line.

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When I found out that I would have to take a piss test at work, I decided to do my research like any responsible stoner. According to all the info, I found on the internet, I definitely didn’t have enough time to detox the natural way and get a clean test result.

Plus, if you try to fool the test and just drink a shit ton of water, the lab techs are going to know off the bat that you tried to dilute the test. If your company is really strict, this might even get your job offer rescinded or land you in some disciplinary trouble.

What is Magnum Detox Synthetic Urine?

Magnum Detox Synthetic Urine comes with a few different components, which is its main claim to fame.

The package itself comes with a vial of fake urine and a separate container of uric acid that you are supposed to mix into the sample before you give it over.

Magnum is sold in a lot of head shops, which means that if you find out you have to take the test in the next 24 hours, you can run out to the store and get it immediately.

In the end, I decided that my best bet was to pass the old-fashioned way… by subbing out for synthetic!

Another option was to try a detox supplement. I wasn’t too psyched about this choice because the websites for these supplements made absurd claims (like that I could detox my whole body in one day)-- I read that those supplements are best used at the end of a long detox period anyway, as an extra precaution.

Because this test had me stressed out, I wanted to try a bunch of brands of fake piss before I went into the test. I wanted to know which brands gave the best results, and which would pass my at-home drug tests.

I wanted to go into the test with confidence. I definitely wasn’t trying to fail the piss test, get caught, or lose my job in the process.

How to Use This Product To Pass A Drug Test

  1. Magnum Synthetic Urine is good for up to two years until you add the uric acid, but after you add the uric acid to the sample, you only have seven days to use it before it goes bad. So I wouldn’t open anything until you’re ready to take the test.
  2. First things first, you gotta shake it up.
  3. Heat the Magnum Detox Synthetic Urine for up to ten seconds in the microwave. Like all the other fake piss brands, you gotta make sure it’s in the right (human) temperature range. The Magnum manufacturer instructions say that you should aim for 94° F-100°F.
  4. Make sure the temperature strip is giving you the right reading. If the strip doesn’t register any temperature, that means the sample is the wrong temperature. If that’s the case for you, the manufacturers recommend heating it up for another five seconds. If that doesn’t work, then the sample is probably overheated, and you gotta let it cool down until the temperature strip spits out the right reading.
  5. After you heat the fake piss and get the temperature right, you have to shake it up again. With the Magnum brand, because there’s extra stuff to mix in, you have to make sure nothing looks weird in the sample and that everything is evenly distributed throughout.
  6. Magnum Synthetic Urine comes with a heating pad, so when you’re ready, shake up the heating pad to get it hot, then attach it to the cup with the fake piss in it. The heating pad should work for 6-8 hours to keep the fake urine review at the correct temperature when you have the sample hidden in your clothes.
  7. When you are ready to actually substitute in the fake piss, add the uric acid (it comes in a separate vial), shake the whole thing again, and squeeze it out of the bottle and into the collection cup. Make sure you check the temperature strip before you give the sample! This goes for every brand- if the temp is off then the test administrator is gonna be onto you!

Does Magnum Synthetic Urine Work?


Okay, I’m gonna be real with you on this one. It might seem like Magnum Detox Novelty Urine has more stuff than other brands of fake piss, including the uric acid, which you might think would make it a better product/brand. But the truth is that it has mixed customer reviews, and is more complicated to use than other brands. Failed rates are pretty high, and when it comes to sitting a drug test, you really can't afford a slip up.

Trust me, grasshopper, when you’re in the testing room, you’re gonna want the stuff that’s the easiest to use with the least amount of room for user error!

To be honest, a lot of companies and head shops won’t even sell the Magnum urine anymore because it’s not up to date with the latest testing technology. Don’t get me wrong, a lot of people have passed their piss tests using it, but reviews online reveal that plenty of others haven’t.

Most people are now going with Quick Fix due to the high pass rate and positive reviews you see online. You can find out more about it here.

I’m just doing my part to bring you the most up-to-date REVIEW on the best fake piss. Honestly, I don’t think I would mess with Magnum Synthetic Urine.

Of all the brands I’ve tried, I would definitely still have to go with Quick Fix because it’s worked like a charm for me every time, and I’ve never had any issues in the actual test.


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When it comes to synthetic urine, Quick Fix is easily our #1 choice.

This product has a 99.987% success rate meaning that it gives you the best chance of passing your drug test out of all the options that are on the market today.

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