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Keeping Synthetic Urine Warm for Success

No less than 95% of employers prefer drug testing through urinalysis, and this believed to be behind the growing popularity of synthetic urine within the last few years. However, proper usage of the product is a must for success.

Why Keep Synthetic Urine Warm?

As initial drug screening often does not include checking a sample’s validity, the testing staff merely checks the submitted specimen’s temperature as a way of ensuring that it hasn’t been substituted. Human urine is warm by nature, which means your synthetic urine sample should also be warm, or the testing staff may decline it, believing it’s fake. Of course, getting caught also spells trouble with the person or organization that required the testing, not to mention with the facility itself.

Normal Human Urine Temperature

Human urine’s normal temperature can be anywhere from 94F to 96F. The temperature of a drug test sample is taken within the first 4 minutes after being received by the staff, as ambient temperature can cause changes anytime later. Acceptable range is from 90F to 100F, and any sample that lies outside of this deemed suspicious.

Warming Synthetic Urine

The following are common methods of bringing synthetic urine up to temperature:


By far, increasing synthetic urine’s temperature is easiest by microwaving. Just place the container in the microwave for around 10 seconds and you’re done. A temperature strip comes in handy when it comes to checking the usability of the sample. Remember that too much heat can destroy it, so don’t leave it in too long. Even if it cools down, the properties of natural human urine will not be restored.

Hand Warmers

Hand warmers are handier and always available, making them a more practical option than the microwave. Just put the liquid in a small container and tape the hand warmer around it. Hand warmers aren’t all created equal however. Get one that maintains a 90F to 100F heat range and will remain there for as long as you need it to.

Your Body

Sometimes, you won’t have to look for – your own body can be your best synthetic urine warmer. Put the sample in a sealed plastic bag and tuck it in your inner thighs or even inside your underwear. Another good spot is inside your bra, if you’re a woman, or under your armpits.

Practice, Practice, Practice

Finally, before actually showing up at a testing facility with your synthetic urine, don’t forget to practice, practice, practice. You should know what you have to do and how you can do it best so as not to appear suspicious. The more you practice, the more relaxed you will and the more likely you can pull this off.

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