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How Long Does THC Stay in Your System? What Your THC Testing Kit Can Reveal

  • Writer: Vibe Writers
    Vibe Writers
  • 14 hours ago
  • 3 min read
THC testing kit

Knowing how long THC stays in your system is important. This matters if you're preparing for a drug test or just want to know how your body processes cannabis. Many Aussies use cannabis. Over 11.5% of people aged 14 and up have tried it in the past year. So, understanding THC detection is crucial.

Understanding THC Detection with a Marijuana Test Kit

When cannabis enters your body, your liver quickly breaks down THC, the main psychoactive compound, into various substances. Around 65% of cannabis leaves your body through your stool, and 20% goes out through your urine. The rest is stored in fatty tissue, which is exactly why an accurate marijuana test kit can still detect use long after the effects have worn off.


The metabolite THC-COOH is what most testing kits detect. This compound stays in your system longer than THC, which leaves quickly. That's why THC-COOH is considered the gold standard marker for cannabis use.

How Long Can Different Tests Detect Cannabis

Urine Testing with Your THC Testing Kit

Urine and hair tests can detect cannabis for a longer period, from 1 to 90 days after the last use. Occasional users who smoke once or twice a month might get caught out for 3-4 days, but regular users have a much longer window to worry about.


For people who rarely use marijuana, it takes 1.3 days to clear half of it from their system, while more regular users take anywhere from 5 to 13 days. This big difference means heavy users could test positive for 30 days or more when using a marijuana testing kit.


MBTest's marijuana testing solutions use a 50 ng/mL cutoff. This ensures reliable results that meet Australian workplace testing standards. Their kits get you results in just five minutes and are 99% accurate for at-home screening.


Other Detection Methods

THC can show up in blood or saliva two to 24 hours after you use it, making these methods perfect for catching recent use. Blood tests check for active THC, not its breakdown products. So, the detection window is short, usually 12 to 24 hours.


A hair sample from your scalp can reveal marijuana use over the past three months. However, hair testing tends to be more accurate for people who use marijuana almost every day, rather than those who only use it sometimes.

What Affects Your Detection Window?

Several factors influence how long an accurate marijuana drug test kit will detect THC in your system:


  • Frequency of Use

  • Body Composition

  • Metabolism

  • Potency and Consumption Method

Using Your Marijuana Test Kit Effectively

Using a marijuana drug test kit, like those from MBTest, timing is everything. For workplace screening or compliance testing, knowing your usage habits helps figure out how likely you are to get caught.


MBTest can screen for five common abused drugs. This makes it a great choice for various testing needs. They're compact and portable, so you can test conveniently, whether at home or anywhere else. Results show up in just minutes.


When you're a heavy cannabis user trying to pass a test, patience is vital. Most cannabis tests have a 50 ng/mL cutoff, and casual users usually won't test positive after 3-4 days since last use. But for regular users, it's a different story - they can test positive for much longer, often up to 90 days.

The Bottom Line on THC Testing

Knowing how long THC stays in your system helps you make informed choices about cannabis use. If you're an occasional user, you might expect to clear within days. But if you use it regularly, you could be facing weeks of detectability. A reliable THC testing kit can give you the clarity you need, no matter what your situation is.


MBTest provides Aussies with easy, reliable, and confidential testing that's accurate 99% of the time. With a strong focus on quality, you can trust their rapid testing to give you the results you need before starting a new job or doing compliance checks.


When it comes to detection, timing can vary a lot from person to person. If you're unsure, it's always best to wait a bit longer or check with a healthcare pro - that way, you can be more responsible with your cannabis use.


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