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How Fake Urine Works Step by Step Instructions

Step 1: Prepare Your Sample

On the day you need to use your synthetic urine kit, start by bringing the liquid to the optimal temperature range of 90˚F to 100˚F, which is commonly accepted for various types of specimen collection.

There are two heating methods available:

#1 Remove the cap off the bottle containing the synthetic urine and heat it in the microwave for 10 seconds.

#2 Heating Pad: Alternatively, attach the provided heat pad to the bottle. This method takes approximately 45 minutes.

Step 2: Monitor The Temperature

Once heated, securely re-cap the bottle and check the temperature strip. If it’s below 90˚F, heat in 3 to 5 second increments until it reaches the desired range. If the strip shows no reading, allow the liquid to cool slightly.

If there is no reading on the temperature strip, it means that the liquid is too hot. Let it cool down to room temperature.

Step 3: Maintain Proper Temperature

It’s important to keep the liquid within range until it’s time to use it. The included heat pad can help maintain warmth for up to 8 hours. Some users choose to keep the container close to the body for additional warmth. Reheat if necessary.

Discretely carry your synthetic urine kit (our belt strap storage device may help with this synthetic urine belt). Prior to entering the testing facility take out the bottle and check the temperature strip. Before use shake the bottle to give it a natural look. When you’re ready, transfer the liquid to the appropriate container.

Top Quick Fix Products and Kits

  • Sale! White little container, 2 oz quick fix packaging and red sachet
    This value pack includes ten 2oz bottles of Quick Fix 6.3 urine as well as a heating pad, temperature strip, and easy-to-follow instructions. Add the Quick Fix 6.3 Ten Pack – 2oz Bottles to your cart today!
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    Quick Fix 6.3 Ten Pack Sale – 2oz Bottles

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  • Sale! White little container, 2 oz quick fix packaging and red sachet
    Our Quick Fix 6.3 kit comes with 2oz of synthetic urine, a heating pad, a temp strip & and a full set of instructions.  
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    Quick Fix 6.3 Synthetic Urine 2oz

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  • Sale! Quick Fix 6.4 product unboxed
    Quick Fix 6.4 plus 3oz Synthetic Urine is your #1 source for needing to pass any urine test screening!  
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    Quick Fix 6.4 Plus Synthetic Urine

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  • Sale! Quick Fix Urine value pack 10 kits pictured
    The new Quick Fix 6.4 Plus value pack includes ten 3oz bottles of artificial urine, a thermometer strip, warming pad, and directions for use. Add the Quick Fix 6.4 Plus Ten Pack – 3oz Bottles to your cart today!
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    Quick Fix 6.4 Plus Ten Pack Sale-3oz bottles

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What is Synthetic Urine?

Synthetic urine, sometimes referred to as laboratory urine or artificial urine, is a specially formulated liquid designed to closely replicate the chemical composition, appearance, and properties of natural human urine. It typically includes components such as uric acid, specific gravity, and a balanced pH level. While it’s most commonly available in ready-to-use liquid form, synthetic urine can also be found in powdered versions that are mixed with water before use.

Premium synthetic urine products—like Quick Fix—come pre-mixed in compact, easy-to-carry kits that are designed for convenience and reliability.

These products are often used for a variety of lawful purposes including equipment calibration, scientific research, product testing, educational demonstrations, and more. Because synthetic urine mimics real urine so effectively, it is widely valued in industries that require consistent, controlled testing environments.

Products like Quick Fix 6.3 or the larger Quick Fix Synthetic Urine 6.4 plus (3oz) are known for their ease of use and shelf stability. Their realistic properties make them ideal for situations where human urine isn’t practical or available.

Proper use of synthetic urine requires careful attention to the included instructions, particularly when it comes to temperature and handling. Whether you’re using it for lab calibration or educational purposes, being well-prepared ensures you get the most accurate and realistic results.

Read on to learn how Quick Fix works and how to properly prepare your synthetic sample.

What is Fake or Synthetic Urine Made Of?

Our best synthetic urine kit contains the following composition markers:

  • Creatine
  • Realistic specific gravity
  • Realistic pH range
  • Urea
  • Uric acid

Even with key markers like uric acid and creatinine, not all synthetic urine is created equal. A more advanced formula provides additional elements to closely replicate the look and characteristics of natural urine. For example, Quick Fix includes urea, protein color, creatine, uric acid, and even foam for a more lifelike appearance.

This carefully balanced composition is designed to offer a realistic alternative for use in settings like laboratory testing, product development, and equipment calibration.

Premium synthetic urine is produced in laboratory environments under strict quality controls. This ensures consistent formulation, reliability, and performance across every batch. With a precise manufacturing process, products like Quick Fix deliver dependable results for a wide range of legitimate uses.

Understanding How Urine Testing Works and Why Synthetic Alternatives Are Used

The outcome of a urine test can depend on a variety of factors, such as an individual’s lifestyle, body composition, and recent consumption of specific substances. For instance, the length of time a compound remains detectable in the body can vary significantly based on frequency of use, metabolic rate, hydration levels, and overall health.

Some compounds may remain traceable for just a few days, while others—especially when used regularly—can be detectable for several weeks. Even everyday items like certain foods or supplements may occasionally trigger false positives in highly sensitive tests.

Because of this unpredictability, many people turn to detox programs, special diets, and hydration strategies to help support their wellness and reset their system. These methods often require significant lifestyle changes and may not offer immediate results.

For those seeking a reliable, lab-tested solution for educational, research, or calibration purposes, Quick Fix offers one of the most trusted synthetic urine kits available. Carefully formulated to simulate the chemical properties and appearance of real human urine, Quick Fix includes essential components like urea, uric acid, creatinine, and a realistic foam structure—all produced under stringent quality standards.

Whether you’re using synthetic urine for scientific demonstrations, product testing, or lab equipment calibration, Quick Fix provides a consistent and convenient solution.

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What are the Other Uses of Fake or Synthetic Urine?

There are many uses for synthetic urine, besides passing urine screenings. Companies produce synthetic urine in a clinical environment, and it is a ‘cleaner’ option than human urine. Synthetic urine also has a much longer shelf life than real urine, and it is more affordable to purchase synthetic urine in bulk than to collect it from people or healthcare facilities.
People and organizations buy fake urine Kits to:

  • Carry out medical experiments and research
  • Test the efficiency of cleaning equipment and chemicals
  • Measure the absorbency of certain fabrics, especially those used in diapers
  • Test the interaction between fake pee and medical devices (and their electric components)
  • Live out a fetish related to urine
  • Use as an alternative medicine, for example, as a treatment of urchin or jellyfish stings

There are many more uses of synthetic urine, but the ones listed above are the most common. Check out our Fake Urine Kits.

Popular FAQs



Whether a test can detect synthetic urine depends on several
factors, including the temperature, appearance, and brand of fake
urine. Generally speaking, the lower the quality of the products,
the higher the risk that the lab will find out your urine is fake.
When you submit the sample, the facility supervisor will check the
temperature and appearance of the urine. If the urine has an
unrealistic color, or if flakes or solid particles are visible in
the liquid, the lab will know that it is synthetic urine, and they
will not accept it for testing. If there are no apparent issues with
the urine, the facility supervisor will submit it to the lab for a
urinalysis.


During testing, labs will carry out tests called gas
chromatography-mass spectrometry, and they can usually identify
cheap fake urine with this method. Most labs will also conduct
validity checks and test for the presence of chemicals in the
products, such as uric acid and urea. These chemicals are always
present in real urine. If these ingredients are not present, it is a
clear indication that the liquid is fake urine.


Facilities will also test for biocide, which is an ingredient that
some brands use as an artificial preservative. High-end brands like
Quick Fix figured out other ways to prolong the shelf life of their
fake urine, and they don’t use biocide.


The outcome of a urine test can have a profound impact on your
career or personal life. Buying a low-quality product may help you
save a few dollars, but there is a high risk that the laboratory
will find out that it is fake urine.


Quick Fix Urine is a legal high-end product that has a realistic chemical
structure, smell, and appearance. This is the best synthetic urine, which contains no biocide,
and it has one of the most complex formulas on the market.
The brand’s newest edition, 6.3, is the most updated and can meet
the latest validity checks that labs carry out.

This formula is so realistic that many testing facilities use it to
calibrate their equipment. If you manage to submit your sample
without raising suspicion, you can relax.


To pass a test, however, you have to follow the instructions
carefully. If you use expired synthetic urine, urine that came into
contact with direct sunlight, or a sample that is not at the correct
temperature, it will not work effectively.


Another reason why this product may not work is if the product you
submit is just an imitation of our product (with packaging that is
identical to what we use). Or it might be one of our products that
has passed its expiration date, but has been repackaged by an
unscrupulous distributor. Because of our brand’s popularity, many
retailers in generic marketplaces actually package expired Quick Fix
products or imitations of Quick Fix in branded boxes. Most labs will
be able to spot these knockoffs from a mile away.


Do not buy from these online retailers. Instead, only buy from
authorized resellers like this site. Other benefits of buying from
authorized companies include the availability of different kits and
discreet shipping.


Most synthetic urine products have a shelf life of one year or
less. Whether you should freeze, refrigerate, or store the solution
at room temperature depends on its chemical structure and the
manufacturer’s instructions.

Quick Fix synthetic urine has a shelf life of two years from the
date of manufacture. The chemical properties of the liquid will
remain perfect throughout this time, provided that you do not expose
it to direct sunlight and that you store it at room temperature.


You can freeze Quick Fix synthetic urine, but doing so will not
have any effect on its shelf life or chemical structure. Moreover,
the thawing process may complicate things unnecessarily, so we don’t
recommend freezing the product.


To find out when your fake urine expires, contact Spectrum Labs and
give them the batch number on the green insert in the package. If
the product has expired, do not use the kit.

Real urine is only good for a limited time and can last for up to
24 hours before it starts reacting to the air and bacteria. Many
people get urine from their friends and freeze it.

However, even frozen urine doesn’t last longer than a day. After a
day or two, urine develops a cloudy or stringy appearance.

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Testimonials

Took a test last week with the new 6.2 Plus used batch number ST183K10A just received the call I passed! Super stoked I got the job of a lifetime lined up now cheers!
Chad
Quisque sit amet tortor
August 14, 2019
Took a urine test 2/3/2018 in OH used the new Quick fix version 6.2 batch #ST173M16A it had the pre- mixed urea, dumped it in the cup and left real feeling a lil nervous. Got a call from the new employer today I’m starting work on 2/12/2018 thank you guy’s great product worked as stated.
Emily
Jr. Sales Manager - Glover Valencia Inc
August 14, 2019
I spent 8 mins inside the clinic and I was done. Got the job!
Vanessa
September 13, 2019
I routinely purchase my Quick Fix kits from this site, customer service is excellent. Your free shipping upgrade is super fast I will be sure to let my friends know. Extra thanks to Ryan for patiently answering my questions via email on my most recent order it helped out a lot
Nathaniel
September 13, 2019
Thank you Quickfixsynthetic.com I got my results back and passed with flying colors. I used the Quick Fix 6.2 plus 3oz version and the overnight shipping arrived as promised. Thank’s you saved my life literally.
Jack N.
September 13, 2019