THC Check detects marijuana metabolite in human urine at 20 ng/mL, making it the most sensitive instant test on the market.
It is a simple and easy to use, and provides accurate results in minutes. The test includes very clear test and interpretation instructions.
Exclusive THCCheck(tm) sold only by USHealthTests.
Most sensitive instant THC test on the market.
Detects THC below the standard 50 ng/mL so you can be sure of the result.
Dip the test in a urine sample and get an immediate result.
Clear instructions & test interpretations.