
accuracy
How tCheck Measures THC Potency: The Optical Method | tCheck
How does an at-home THC tester actually work? Inside the optical absorbance method tCheck uses to measure cannabis potency in 2 minutes — written by the engineer who built it.

Who is tCheck for? Home cooks, medical patients, microdosers, growers — anyone who wants accurate cannabinoid dosing without lab fees.

How accurate is tCheck? Side-by-side test vs lab HPLC — over 90% of samples landed within 3 percentage points. See the data.



