Reach the Perfect Cure, Every Time

Cannabis Moisture Testing

Our portable cannabis tester instantly measures moisture, water activity, THC, and CBD in one test.

How It Works

The Purpl PRO provides THC/CBD potency tests within +/-2%. It gives you four lab-accurate data points on a single screen for every sample you test: THC percentage, CBD percentage, moisture percentage, and water activity.

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Not Squishy, Not Crunchy. Just Right.

Getting the right cure is vital for top-shelf flower. Our cannabis moisture tester helps you avoid over-drying or trapping excess moisture so you can release harvests at peak readiness. 

Instantly see if your product is ready to process, package, or sell without expensive lab equipment or delays.

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Scientific Testing You Can Trust.

We verified Purpl PRO +H2O test accuracy by comparing results with percentage moisture and water activity results from certified labs.

  • Track curing progress in real time
  • Release harvests at peak readiness
  • Avoid heavy or light pounds
  • Know you have highest potency
  • Ensure best product quality
Mockup of Purpl Pro app on an iphone with the Purpl device underneath.

Why Choose the Purpl PRO?

Proven Technology

Near-infrared spectroscopy powers the Purpl PRO’s moisture, water activity, THC, and CBD testing. This method is endorsed by the FDA and has been trusted by the food, drug and agriculture industries for decades.

Friendly Delivery

The Purpl PRO is simple to use. It’s made for testing in the field or in stores, at work, or at home. We’ve designed it to fit easily in your hand, and it requires no scientific knowledge or complicated procedures.

Purpl PRO with +H2O

If you need a Purpl PRO, visit our Where to Buy page for a list of sellers. If you already have one, open the Purpl PRO app and start measuring moisture today!

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The Purpl PRO Is Great For

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Growers

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Cultivators

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Extractors

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Retailers

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Consumers

Frequently Asked Questions

What is cannabis moisture testing, and why does it matter?

Cannabis moisture testing measures both moisture percentage and water activity to help you dial in the cure. Getting these levels right helps preserve potency, prevent mold, and maintain flower quality through storage and sale.

What’s the difference between moisture percentage and water activity?

Can the Purpl PRO replace lab moisture testing?

How accurate is the Purpl PRO for moisture testing?

How long does a cannabis moisture test take?

Does moisture testing damage the cannabis sample?

Reach out anytime.

Have Questions? Let Us Know!

We’ll guide you through product details, shipping, or support.

Purpl Pro device mockup