What can be tested with tCheck?
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Decarbed Flower Based Infusions
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Raw Flower (Not Decarbed)
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Isolate Based Infusions
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Winterized Concentrate
Decarbed Flower Based Infusions
Accuracy: +/-4mg/ml | Alcohol | Butter | MCT Coconut Oil | Extra Virgin Olive Oil |
Decarbed THC Flower | ||||
Raw THCa Flower | ![]() Raw flower test |
Dried Raw Flower (Not Decarbed)
Accuracy: +/- 3 percentage pointsSativa Cannabis | |
Indica Cannabis | |
Hybrid | |
Hemp (Unable to test for 0.3% THCa) |
Isolate Based Infusions
Accuracy: +/- 2mg/ml | Alcohol | Butter | MCT Coconut Oil | Extra Virgin Olive Oil |
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Winterized THC Isolates | ||||
Winterized CBD Isolates |
Winterized Concentrate
Accuracy: +/- 7 percentage pointsTHCa | CBD | |
Butane Hash Oil (BHO) | ||
Shatter | ||
Budder | ||
Crumble | ||
Diamonds | ||
Resin | ||
Distillate | ||
Crystalline |
Accuracy: +/-4mg/ml | Decarbed THC Flower | Raw THCa Flower |
Alcohol | ![]() Raw flower test |
|
Butter | ||
MCT Coconut Oil | ||
Extra Virgin Olive Oil |
Sativa Cannabis | |
Indica Cannabis | |
Hybrid | |
Hemp (Unable to test for 0.3% THCa) |
Accuracy: +/-4mg/ml | Winterized THCa or CDB Isolates |
Alcohol | |
Butter | |
MCT Coconut Oil | |
Extra Virgin Olive Oil |
Winterized CBD Isolates | |
Alcohol | |
Butter | |
MCT Coconut Oil | |
Extra Virgin Olive Oil |
+/- 7 percentage points | THC | CBD |
Butane Hash Oil (BHO) | ||
Shatter | ||
Budder | ||
Crumble | ||
Diamonds | ||
Resin | ||
Honey | ||
Distillate | ||
Crystalline |
Frequently Asked Questions
How accurate is tCheck?
Isolate based infusions
+/-2 mg/ml
Flower based infusions
+/-4 mg/ml
Raw flower
+/-3 percentage points
Winterized concentrates
+/-3 percentage points
What is tCheck’s measurement range?
THC/CBD
Olive Oil: 1 ~ 15 mg/ml
Butter/Ghee: 1 ~ 15 mg/ml
Coconut/MCT Oil: 1 ~ 15 mg/ml
Alcohol Tinctures: 1 ~ 15 mg/ml
THCa
Flower: 1 ~ 40%
Concentrate: 1 ~ 99%
Any discount codes?
Nice find! Use CHECK15 to get 15% off your entire order excluding t-shirts, Expansion Kit Refill set, and the Bulk Reagent Refill sets.
Where can tCheck be shipped?
tCheck can be shipped all over the world. Check our Shipping & Delivery FAQs for our full country list as well as other information about shipping.
What do I need to test flower based or oil based infusions?
To test flower based or oil based infusions, you will need to purchase the Infusions Essentials bundle. We also offer the Complete Cannabis Kitchen bundle which includes a Magical Butter for producers who also need to infuse their ingredients.
What do I need to test raw flower or winterized concentrates?
To test raw THCa or Hemp flower or winterized concentrates, you will need to purchase the Potency Testing Plus bundle. We also offer the Cannabis Professional bundle which includes a raw flower and winterized concentrates testing materials as well as a Magical Butter.
What do I need to run multiple tests?
The infusion testing tray that comes with each tCheck device is reusable and can perform 1000+ tests. Some supplies included in raw flower and winterized concentrate testing will need to be replenished as more tests are performed. We offer an Expansion Kit Refill Set, Reagent Refill Set, and Syringe and Filter Refill Set to keep users testing.
Can I test hemp oil with tCheck?
tCheck cannot be used at this time to test hemp oil. tCheck can be used to test raw hemp / high CBDa flower.
Find the testing bundle that works for you
You are three clicks away from potency confidence

What tCheck results look like
tCheck measures the actual amount of cannabinoids in your infusion. The result shown is the dominant cannabinoid (THC, CBD, or THCa) and potency of your infusion. The tCheck app includes a calculator to help you find the right dose for you.
Our story
From the very beginning, tCheck was designed to enable anyone to test the strength of their cannabis and infusions. We created a variety of products to help service each user’s need.
Learn more about our origin story and mission by reading our About Us post.


Support when you need it
Between our knowledge base and supportive customer success team, tCheck users have all the tools they need to confidently test their cannabis products.
Support staff hours:
Monday – Friday / 9:00 AM – 6:00 PM PST
Skip the guesswork, this is important
You are three clicks away from potency confidence