Guides, tests and background information about vaporizers, grinders and cannabis — from people who develop and use the devices themselves.
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The battery life is shorter, the device takes longer to operate, and the air passage clogs up more quickly. None of this is a defect – you just need to…
5 min reading time
15 min reading time
Safety Notice September 25, 2026: You can't see inside. With all processed products, you can't tell what's in them — or how…
Cannabis Knowledge | Consumption & Health | Law & Politics
7 min reading time
Evaporation means heating until the active ingredients dissolve – but not so much that anything burns. How this works, what temperature for what…
Cannabis Knowledge Medicinal Cannabis Law & Politics Vaporizer Knowledge
11 min reading time
How long is THC detectable in blood, urine, and saliva? Detection times, THC-COOH limits, police tests, and why its breakdown can hardly be accelerated.
Cannabis Knowledge: Consumption & Health
7 min reading time
Which heated vaporizer is right for you? We compare six models based on heating technology, features, and price. Discover their advantages and find the perfect one…
Vaporizer Buying Guide
6 min reading time
Three days at the Böhler site, a wheel of fortune, a laser – and on Saturday a stand takeover that no one could stop: Cannafair 2026…
Cannabis Knowledge Events & Trade Fairs Grinder
3 min reading time
Three days in Frankfurt, a small stand in the hemp section, an audience we hadn't encountered before: The Shisha Messe & Vapor Fair…
Events & Trade Fairs Grinder Vaporizer Knowledge
5 min reading time
Small, personal, and full of life: HamCan 2026 in Hamburg was one of the best trade fairs of the year for us. Two days at our booth…
Events & Trade Fairs Grinder Vaporizer Knowledge
6 min reading time
Our biggest booth yet. Four full days. And you're right in the middle of it. Vaporizer testing with flowers from Lucky Hemp, engravings, a prize wheel, and free merch…
Events & Trade Fairs
7 min reading time
Six HEAT vaporizers in direct comparison: heating technology, chamber size, battery and price at a glance – including a clear buying recommendation for every need.
Vaporizer Buying Guide
4 min reading time
"Cannabis flowers will no longer be covered by special statutory health insurance benefits – we objectively assess the current situation and show what those affected should now be aware of."
Medical Cannabis Law & Politics
4 min reading time
How long is THC detectable in the body? Depending on the testing method, THC remains in the body for varying lengths of time: in blood 1–2 days, in saliva…
Cannabis Knowledge: Consumption & Health
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He founded HIZEN and has been developing vaporizers since 2014, all designed in Germany. His focus is on the underlying technology: pure convection, cleanly separated airflow, and devices that can be repaired rather than replaced.
Writes about: Device technology, convection, product development
Marvin | Marketing & SalesHe handles marketing and retail for HIZEN. He writes about equipment, accessories, and the legal situation surrounding cannabis — and attends the trade fairs he then reports on.
Writes about: Buying advice, accessories, legal matters & events
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