Secret Jardin Dark Room 300 Rev.3 Grow Tent 300x300x235cm

Secret Jardin Dark Room 300 rev.3 – Spacious Professional Grow Tent for Indoor Plant Cultivation

The Secret Jardin Dark Room 300 rev.3 is a large, high-performance grow tent designed for growers who need maximum space, excellent light control, and a durable structure for indoor plant cultivation. With a generous footprint of 300 x 300 cm and an impressive 235 cm height, this grow box offers the room needed for advanced setups, larger plant numbers, and efficient multi-light configurations.

Built with the quality associated with the Belgian brand Secret Jardin, this grow tent is an excellent choice for growers looking for a reliable and practical solution for year-round cultivation of flowers, herbs, seedlings, and other indoor plants.

Large 300 x 300 x 235 cm Grow Box for High-Yield Indoor Growing

The spacious dimensions of the Dark Room 300 rev.3 make it suitable for both hobby growers and more demanding cultivation projects. The square format allows for flexible layout planning, efficient light distribution, and easier organization of ventilation, filtration, and irrigation equipment.

Thanks to its 300 cm width, 300 cm depth, and 235 cm height, this indoor grow tent provides a controlled environment that supports healthy plant development from seedling to harvest. The extra height is particularly valuable when using taller plants, suspended lighting systems, or additional accessories such as filters and fans.

Mylar 210D Reflective Fabric for Better Light Efficiency

The tent is made of Mylar 210D reflective material, which helps maximize the use of artificial light inside the grow space. The reflective inner surface supports more even light distribution, helping plants receive light more efficiently from the entire setup.

The fabric texture features an orange peel finish, and the material is designed to be lightproof, waterproof, and washable. This makes the tent practical for long-term use while helping maintain a clean and stable growing environment.

Strong 19 mm Frame for Stable and Reliable Construction

Secret Jardin Dark Room 300 rev.3 is built on a sturdy 19 mm frame that supports the structure and helps maintain rigidity even in more demanding installations. The frame is designed to handle the weight of accessories such as lamps, filters, and ventilation equipment.

The construction has a declared load capacity of 120 kg, which makes it suitable for advanced indoor growing systems. The tent itself weighs 40.4 kg, reflecting its solid and durable build quality.

Optimized Ventilation and Cable Access for Practical Setup

This grow tent includes multiple technical openings that help create a well-ventilated and organized cultivation space. The design makes it easier to install airflow systems, lighting, and electrical components in a neat and efficient way.

• 2 x 380 mm ventilation holes at the bottom
• 4 x 380 mm ventilation holes at the top
• 4 x 280 mm lighting ventilation openings
• 4 x 75 mm cable entry holes

These openings provide flexibility for connecting air exchange systems, extracting warm air, managing climate conditions, and routing cables safely and cleanly.

Easy Access and Convenient Daily Use

The tent offers access from two sides, which improves comfort during everyday use. This makes it easier to care for plants, inspect the setup, and manage cultivation tasks without unnecessary inconvenience.

The grow box also features a zippered construction, allowing for quick folding and unfolding. Once packed away, the tent can be carried like a bag thanks to its special transport cover with handles, making storage and transport much more convenient.

Practical Waterproof Floor and Durable Details

For added convenience, the grow tent includes an additional waterproof floor attached with Velcro. This helps protect the base of the tent and makes cleaning easier after watering or maintenance work.

Other functional details include:

• reinforced eyelets and holes
• strong fasteners
• durable washable material
• lightproof and waterproof structure

These features contribute to a reliable and efficient indoor growing environment, especially where cleanliness and stability are important.

Accessories Included with Version 3.0

The Dark Room 300 rev.3 comes with a rich set of accessories designed to support easier installation and better plant training. These extras increase functionality and help growers build a more organized, productive grow space.

• 4 sets of hooks (S-connectors)
• 15 x 20 cm pocket mounted on the upper tubes
• 45 cable clips
• Reinforcing frame with 4 tubes of 19 mm diameter
• 2 x WebIT300W flexible mesh for training and shaping plants

The reinforcing frame is especially useful for stabilizing the structure and making it easier to suspend lamps, fans, and filters. The included mesh can help with plant training, canopy management, and improving overall growth control.

Recommended Lighting for Efficient Plant Growth

To fully utilize the size of the grow tent, the manufacturer recommends powerful lighting solutions suitable for large cultivation areas. The suggested configurations include:

• 4 x 660W LuckyGrow Modular 660 LED Lamp
• or 4 x HPS 1000W
• or 6 x HPS 600W

Such lighting options help ensure strong and uniform coverage across the large 300 x 300 cm area, supporting healthy growth and improved yield potential.

Perfect Choice for Year-Round Indoor Cultivation

The Secret Jardin Dark Room 300 rev.3 is ideal for growers who want full control over their cultivation conditions throughout the year. Whether you are growing herbs, flowers, or seedlings, this grow tent helps create a warm, protected, and efficient indoor environment.

Its large size, reflective Mylar material, sturdy frame, and practical accessories make it a strong solution for anyone looking for a spacious and professional grow box for indoor gardening.

Key Features of Secret Jardin Dark Room 300 rev.3

• Grow box dimensions: 300 x 300 x 235 cm
• Frame thickness: 19 mm
• Fabric: Mylar 210D reflective material
• Lightproof and waterproof construction
• Access from two sides
• Additional waterproof floor
• Strong load-bearing structure
• Multiple ventilation and cable openings
• Included accessories for mounting and plant training