What does a 50 ng/mL cut-off mean on a THC drug test?

A 50 ng/mL cut-off is the federal standard for detecting THC in urine. Results above this level are positive for marijuana use; results below this level typically indicate a negative test result.

How long does THC stay in the system?

For occasional users, THC stays detectable about 3–7 days; regular users, 7–21 days; chronic heavy users can test positive for up to 30 days or longer.

Can second-hand marijuana smoke cause a positive test?

No, normal second-hand marijuana smoke exposure won’t typically cause a positive THC test at the 50 ng/mL threshold unless exposure is prolonged, intense, and in an enclosed space.

What does a faint line on the THC test mean?

A faint line means negative for THC. Line intensity doesn’t affect accuracy—any visible second line (even faint) indicates THC levels below the 50 ng/mL cut-off, thus a negative result.

Is Exploro’s THC 50 ng/mL home test accurate?

Yes, Exploro’s THC 50 ng/mL test is providing results comparable to laboratory screenings and precisely meeting federal workplace testing standards.

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Exploro THC Tests for Home Use - 15 Pack - Marijuana Drug Test Kit | Guide for Faint Lines and a 9-Part Video Masterclass Included, Understand Exactly What You See

Product ID: 180019344

Details

Brand
Exploro
Number of Pieces
15
Special Feature
Accuracy &
Specific Uses For Product
Urine Test
Test type
["Urine Test"]

🔬50 ng/ml lab-grade sensitivity

⏱️5-minute rapid results

🛡️510(k) cleared & CLIA waived

2770 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧪 Detox smarter, not harder—stay ahead with Exploro THC Tests!

RISK FREE CONFIDENCE - Backed by a full reimbursement guarantee if it doesn’t meet your expectations.
TRACK YOUR DETOX JOURNEY - 15 individually sealed tests let you monitor THC levels over 35+ days with confidence.
LAB GRADE ACCURACY AT HOME - Detects THC metabolites down to 50 ng/ml, matching professional screening standards.
FAST TRACK YOUR PEACE OF MIND - Get clear, reliable THC detection in just 5 minutes—no lab wait, no guesswork.
REGULATORY BACKED RELIABILITY - 510(k) cleared and CLIA waived for trusted, compliant at-home testing.

Exploro THC Tests for Home Use is a 15-pack urine drug test kit designed for highly sensitive detection of THC metabolites at a 50 ng/ml cutoff. Delivering lab-grade accuracy with results in just 5 minutes, it supports users tracking THC presence up to 35+ days post-consumption. The kit is 510(k) cleared and CLIA waived, ensuring professional-level reliability and regulatory compliance—all from the comfort of home.

Specifications

ASIN	B07BZ4KNKL
ASIN	B07BZ4KNKL
Additional Features	Accuracy & Clarity
Best Sellers Rank	#1,807 in Health & Household ( See Top 100 in Health & Household ) #1 in Home Marijuana Tests
Brand Name	Exploro
Customer Reviews	4.4 4.4 out of 5 stars (15,943)
Date First Available	March 15, 2020
Is Discontinued By Manufacturer	No
Item model number	THC15
Manufacturer	Lendas UAB
Manufacturer	Lendas UAB
Manufacturer Part Number	7PMD6-UK
Model Number	THC15
Number of Items	15
Number of Pieces	15
Product Dimensions	0.75 x 4.72 x 4.33 inches; 1.45 ounces
Specific Uses For Product	Urine Test
Test Type	["Urine Test"]
UPC	741812897173
Unit Count	15 Count

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