HYDRONE 7, Plant Dehumidifier with AI-Powered Humidity and VPD Controller, for 4–6 Plants

• Plant dehumidifier for precise humidity and VPD regulation (VPD: Vapor Pressure Deficit) inside the grow tent, designed for tents ranging from 120 × 120 to 150 × 150 cm with high plant mass.

• 10 dehumidification levels instead of simple on/off operation: the proprietary PWM-controlled rotary motor (PWM: Pulse Width Modulation) modulates output and keeps humidity and VPD in the tent considerably more stable than a compressor unit.

• Dry air is supplied directly into the grow tent via the exhaust port; the optional intake port enables a closed air loop within the setup.

• Integrated humidity and VPD controller with a wired sensor and AI programming; controllable in VPD mode with the CONTROLLER AI+ via UIS™ (Universal Infinity System).

• Up to 8 liters per day under suitable conditions – considerably more capacity than the HYDRONE 5, making it suitable for larger tents and high plant mass.

• Drainage-ready: integrated 2-liter water tank or optional gravity drain hose for low-maintenance operation.

Product Description

Precise 10-level dehumidification for warm and cold climates – with AI-powered VPD and humidity control for up to 4–6 plants.

• 10 Levels Dehumidification

• Up to 1.5 × 1.5 m Grow Tent

• 2 L Water Reservoir

• 2 × Ø 150 mm Duct Ports

• 235–610 W Power

PWM-CONTROLLED ROTARY MOTOR

Why 10 Levels Instead of On/Off?

A compressor dehumidifier only has two operating states: on or off. In a grow tent, this leads to constant fluctuations in humidity – and consequently in VPD.

The HYDRONE 7 works differently: its PWM-controlled rotary motor offers 10 adjustable levels and responds instantly to changing conditions.

Compressor Dehumidifier

Only on or off – humidity and VPD constantly fluctuate up and down.

HYDRONE 7

10 levels – dehumidifies not in short bursts, but precisely as much as needed at any given moment.

Dry air is supplied directly into the tent via the exhaust port. When combined with the CONTROLLER AI+, the HYDRONE 7 automatically adjusts its output in VPD mode. The result is a considerably more stable tent climate than what can be achieved with a conventional on/off device.

Heat Output and VPD

Due to its design, the HYDRONE 7 generates somewhat more heat than a compressor unit, meaning the supplied dry air is correspondingly warmer.

When combined with an exhaust ventilation system (such as CLOUDLINE), this is usually compensated for without any problems during operation.

A slight increase in tent temperature is not necessarily a disadvantage. At the same relative humidity, an increase in temperature also raises the VPD value, which is often desirable during the flowering stage.

Moderately elevated tent temperatures are therefore usually not critical. However, toward the end of the flowering stage, the temperature should be lowered again. Temperature should always be monitored and regulated through the exhaust ventilation system.

Smart Control

The integrated humidity and VPD controller features a precise wired sensor and intelligent AI programming that dynamically adjusts dehumidification output to maintain the desired climate conditions.

The integrated UIS™ port allows connection to smart controllers such as the CONTROLLER AI+.

It also provides access to a Wi-Fi app with advanced automations, AI-powered climate settings, data charts, alerts, grow guides, and much more.

Automatic restoration of the last settings after a power failure ensures reliable operation.

Flexible Air Routing

Thanks to its two 150 mm duct ports, dry air can be directed directly into the grow tent through an exhaust duct.

The optional intake port can be used to create a more efficient closed air loop within the setup.

Drainage-Ready Design

The drainage-ready design features an integrated 2-liter water reservoir and an optional gravity drain hose for convenient, low-maintenance operation.

Recommended Combination: Room + Tent

When relying exclusively on air exchange – meaning the exhaust fan (such as CLOUDLINE) draws fresh air from the surrounding room into the tent – the humidity inside the tent is always somewhat higher than in the room, because plants constantly release moisture.

For example, to achieve 50% humidity inside the tent during flowering, the surrounding room would need to be maintained at approximately 45% or even lower. Otherwise, this target cannot be achieved, even with the exhaust fan running at maximum speed.

The HYDRONE 7 reverses this relationship: it supplies dry air directly into the tent, allowing the humidity inside to be lower than in the surrounding room.

The important requirement is that the humidity in the room where the tent is located must not permanently exceed 62%.

Relative Humidity:

Room (surrounding environment)

Maximum 62%

Ventilation or a compressor dehumidifier handles the main volume of moisture.

Grow Tent

50% and below

The HYDRONE 7 provides the precision.

With smaller grow tents, the HYDRONE 7 can often handle the task on its own. With larger tents or high plant mass, there are two main options:

Ventilation:

A room with sufficient air exchange – for example, through an openable window – allows the moisture extracted from the tent to be effectively removed.

Compressor Dehumidifier:

In closed or poorly ventilated rooms, a conventional compressor dehumidifier keeps the room humidity at a maximum of 62%. It does not need to perform intensive dehumidification, but simply handle the baseline moisture load.

Thanks to its higher capacity, the HYDRONE 7 can also help dehumidify a smaller room, provided it is not too large.

However, the unit is primarily designed for precise humidity regulation inside the grow tent. Since it generates more heat than a compressor unit, a compressor dehumidifier is generally the better choice for dehumidifying the surrounding room on its own.

In both cases, the HYDRONE 7 takes care of fine humidity control inside the tent and can maintain levels of 50% or even lower.

Each component has its own role: ventilation or the compressor dehumidifier handles the main volume of moisture, while the HYDRONE 7 provides precise regulation – this is exactly what sets it apart from conventional compressor units.

Recommended For

• Grow tents ranging from 120 × 120 to 150 × 150 cm with high plant mass.

• Smaller grow tents up to approximately 1 × 1 m, even in closed rooms – in these cases, the HYDRONE 7 can usually handle the room's dehumidification requirements on its own, although with limited reserve capacity.

• Stable humidity and VPD regulation directly inside the grow tent, including levels of 50% and below.

• Rooms where humidity does not permanently exceed 62% – either through sufficient ventilation or by using a compressor dehumidifier to maintain this level.

• Controller-driven setups operating in VPD mode.

Not Designed For

• Closed rooms with larger grow tents or high plant mass without ventilation or additional dehumidification of the surrounding room.

• Use as the sole dehumidifier for large rooms or multiple grow tents.

• Setups where a single device is expected to continuously remove large volumes of water.

Package Contents

• 1 × HYDRONE 7 Dehumidifier

• 1 × Intake Adapter

• 1 × Exhaust Adapter

• 1 × Sensor Probe

• 1 × Drain Hose

• 1 × UIS Extension Cable, Male-to-Male

• 4 × Hook-and-Loop Ties

• 4 × Cable Ties