The Green Ninja
Precision cure, Peak potency
Precision cure, Peak potency
The Green Ninja is engineered to give you the choice of fully automated or manual control, depending on your experience and preferences. In automatic mode, the unit actively monitors dew point, VPD, and volatile organic compounds (VOCs) to decide when to advance to the next phase. Using advanced PID algorithms and a network of smart sensors, it automatically maintains these setpoints with high precision, adjusting fan speeds, servo positions, cooling, and venting as needed. As the drying and curing process progresses, The Green Ninja continually checks VOC levels and dew point stability to determine when to move to the next stage. For example, once VOC readings indicate that off-gassing has subsided, and the dew point has stabilized within the target range for the correct amount of time, the unit can transition to a curing or storage phase automatically — ensuring your herbs achieve the best possible preservation without manual intervention. In contrast, manual mode gives you complete control. You can set and adjust each parameter — temperature, humidity, airflow, and timing — to match your personal preferences or experimental processes. This is perfect for experienced users who want to fine-tune conditions or test custom recipes and drying techniques. Switching between manual and automatic modes is seamless with The Green Ninja’s intuitive touchscreen interface. Whether you trust the advanced automation to protect and perfect your harvest, or you prefer the flexibility of full manual control, The Green Ninja empowers you to achieve superior results on your terms.
Dew point is the temperature at which the air becomes fully saturated with water vapor — reaching 100% relative humidity — and can no longer hold any more moisture. When air is cooled down to its dew point, excess moisture has to go somewhere, so it begins to condense into liquid water. You’ve seen this happen on a cold drink on a humid day — water droplets form on the outside of the glass because the surrounding air is cooled below its dew point. In a drying or curing environment, this concept is critical. If the air inside the drying chamber reaches or goes below its dew point while still in contact with your herbs, condensation will form directly on them. This can cause mold, spoilage, and uneven drying — exactly what you want to avoid. By carefully monitoring and controlling the dew point, The Green Ninja ensures that any moisture condenses away from the herbs — for example on the cold Peltier surfaces where it is collected and drained safely — instead of on the herbs themselves. In other words, it manages how and where moisture leaves the air, maintaining a protective and stable environment for your product.
Relative humidity depends on temperature: Warm air with 50% RH can hold far more water than cool air with 50% RH. Dew point, however, is an absolute measurement — it tells you exactly how much water vapor is in the air, regardless of temperature. That makes dew point a more reliable way to control moisture in the air, because it is tied directly to how and when water will condense. By targeting a specific dew point, The Green Ninja can consistently remove the right amount of moisture from the environment, ensuring safe and predictable drying results.
As warm air circulates around herbs, it absorbs moisture and carries it away. If the air is too humid, it cannot absorb much more moisture from the herbs, slowing drying. By controlling temperature and humidity, you control how far the air is from its dew point, ensuring water is removed from the herbs while preventing condensation (which can cause mold). In essence, keeping the dew point under control means you can safely remove moisture from the herbs without risking condensation on them, while managing temperature and relative humidity optimizes the drying speed and preserves quality.
When you dry herbs or flowers, the moisture inside them naturally evaporates into the air. This evaporation process absorbs heat from the product, which is why herbs can feel cooler than the surrounding air — just like your skin feels cooler when sweat evaporates. In technical terms, this cooling is related to what’s called the wet bulb temperature, which represents how low the temperature can go during evaporation.
A Peltier module, also called a thermoelectric cooler (TEC), is a solid-state device that transfers heat using electricity. It works on the Peltier effect, discovered by Jean Charles Athanase Peltier in 1834, where applying an electrical current across two different types of semiconductors causes one side of the module to absorb heat (become cold) while the other side releases heat (becomes hot). Think of it like a miniature heat pump: - One side gets cold enough to chill or condense moisture out of the air. - The other side gets hot and needs to be cooled by a heatsink or fan to carry that heat away. In The Green Ninja, Peltier modules are placed in the airflow after the compressor cooling. As moist air passes across the cold side of the Peltiers, the temperature drops below the dew point, causing moisture to condense out of the air and drip into a collector. The conditioned air is then recirculated, drier and more stable. Why use Peltiers? - They have no moving parts, so they are very reliable. - They can cool with precise electronic control (perfect for PID algorithms). - They are compact and easy to integrate into modern systems. Combined with a compressor, Peltiers in The Green Ninja fine-tune the dew point with exceptional accuracy, maintaining exactly the right climate for consistent, high-quality drying and curing.
Cannatrol is a well-known herb curing system that uses vapor pressure and temperature control. However, The Green Ninja offers several key advantages: