Mars Hydro 12L/Day Dehumidifier for Grow Tent – ​​Smart RJ12 Dehumidifier with iControl Compatibility

The Mars Hydro 12L/Day Dehumidifier is specifically designed for use in indoor grow tents and closed grow rooms where precise control over humidity and VPD is essential. Thanks to its powerful compressor and smart RJ12 integration , this dehumidifier offers a maximum dehumidification capacity of 12 liters per day , ideal for grow tents up to 150x150 cm .

With support for the Mars Hydro iControl system and compatibility with the iHub-Pro Power Strip , this dehumidifier automatically responds to changes in temperature and humidity, keeping your growing environment stable throughout every growth stage, from vegetative growth to flowering.

Powerful Dehumidification for Grow Tents

• Maximum capacity: 12 liters per day
• Water reservoir: 2.1 liters
• Recommended coverage: Up to 150×150 cm
• Ideal for flowering phase and high humidity

The compressor technology ensures fast and efficient moisture removal. This helps prevent mold, bud rot, and other moisture-related problems in closed grow tents.

Smart Closed-Loop Air Circulation

Thanks to the dual ventilation ports , dry air can be directed back or redistributed within the tent. This creates efficient closed air circulation that:

• Dehumidification performance increases
• Air circulation optimizes
• Prevents hotspots and moisture build-up

Perfect for compact indoor setups where controlled airflow is crucial.

Smart RJ12 & iControl Integration

This dehumidifier supports smart control via:

• Mars Hydro iControl Controller
• iHub-Pro Power Strip
• RJ12 Smart Connection

The device automatically responds to measured humidity and temperature via the included sensor. This enables precise VPD control , which is essential for optimal plant development and consistent yields.

Ideal For

• Grow tents up to 150x150 cm
• High humidity during flowering phase
• Controlled VPD control
• Closed indoor growing spaces
• Advanced and professional growers

Technical Specifications

• Maximum dehumidification: 12L per day
• Water reservoir capacity: 2.1L
• Smart compatibility: iControl, iHub-Pro
• Connection: RJ12
• Recommended tent size: Up to 150×150 cm
• Technology: Compressor-based dehumidification
• Air outlets: Dual ventilation ports

Please note: Actual performance will vary depending on temperature, relative humidity, and tent configuration.

Package Contents

• 1× Mars Hydro Dehumidifier (with power cord)
• 1× Long flexible air hose (30.5cm)
• 1× Short flexible air hose (22 cm)
• 1× Drain hose (150 cm)
• 1× Temperature & humidity sensor

Why Choose the Mars Hydro 12L/Day Dehumidifier?

This dehumidifier combines powerful compressor performance with smart automation. Unlike standard household dehumidifiers, this model is specifically designed for grow tent use , with direct integration into the Mars Hydro smart ecosystem.

For growers who want maximum control over humidity, VPD, and climate stability, this is an essential upgrade to a professional growing environment.