Question 1

How to effectively manage ventilation in this propagation room to avoid excess humidity while maintaining a stable temperature, especially during the cold winter periods?

Accepted Answer

To manage the ventilation of your PROBOX Propagator M - Grow box 80x60x40 cm and prevent excess humidity while maintaining a stable temperature in winter, use its adjustable air vents to control the air intake and exhaust. Regularly monitor humidity levels to stay around 70-80%. During cold periods, use a small appropriate heater to maintain the temperature without completely closing the ventilation. The double doors facilitate access without disturbing the environment. This way, you keep a balanced and healthy atmosphere for your cuttings.

Question 2

Regarding the Propagator M 80x60x40cm from Garden High Pro, under LED conditions and for advanced cutting phases, is it preferable to adjust the ventilation via the natural window to manage humidity without compromising the internal temperature under high light intensity?

Accepted Answer

For the Propagator M 80x60x40 cm from Garden High Pro under LED conditions and advanced cutting phases, it is indeed recommended to adjust the ventilation via the natural window. This tent is airtight with adjustable vents, allowing you to modulate the opening to effectively expel humidity without excessively cooling the interior. The low heat generated by the LEDs helps maintain a stable temperature, but humidity can quickly accumulate during advanced cuttings. A precise balance prevents overly humid air from harming young plants while retaining the necessary warmth for their development. In summary, open the window naturally as needed to manage humidity without compromising the internal temperature, particularly under high light intensity.

Question 3

Have you noticed if the ventilation window with scratch flap allows sufficient ventilation to avoid the formation of odors without sacrificing good air circulation?

Accepted Answer

The PROBOX Propagator M has two ventilation windows with scratch flaps (diameter 135 mm) that ensure good air circulation. This design facilitates the entry of fresh air while limiting uncontrolled air exchange. However, to avoid the formation of odors, especially in dense cultivation, it is often necessary to add an active ventilation system with proper extraction and filtration. Thus, the ventilation window contributes to the ventilation, but for optimal odor control without compromising air quality, a complete ventilated system is still recommended.

Question 4

What is the maximum airflow capacity possible with adjustable socks to prevent overheating in a growing space of 80x60x40 cm?

Accepted Answer

The PROBOX Propagator M (80x60x40 cm) is equipped with two adjustable air socks, compatible with round ducts with a maximum diameter of approximately 100 mm. This corresponds to an airflow section of about 78.5 cm² per sock, allowing a recommended maximum airflow rate of 107 m³/h with a suitable extractor. To prevent overheating in this compact volume (0.192 m³), an extractor with a flow of 30 to 60 m³/h is generally sufficient. However, the system can support a higher flow rate to ensure optimal ventilation and a safety margin. In summary, the adjustable socks allow for effective and modular ventilation, compatible with most 100 mm ducted air extractors, providing a perfect balance between performance and thermal control.

Question 5

Is a complete kit for starting cuttings included with the Propagator M, or should it be purchased separately? What types of lamps do you recommend for efficiently starting in this 80x60x40cm space?

Accepted Answer

The PROBOX Propagator M (80x60x40 cm) is designed for cutting and germination, with robust fabric, adjustable ventilation, a highly reflective mylar interior, as well as practical accessories like a double suspension bar for lighting and a water tray for humidity. However, the box is sold alone in the standard version, without a lamp. Therefore, separate purchase of lighting will be necessary. To start efficiently in this volume, we recommend horticultural LED lamps from 50 to 100 watts suitable for an area of about 0.5 m², with a specific spectrum for cuttings and sowing that promotes the growth of young shoots while limiting heat. Models such as the Spectraline IP65 60 cm fit perfectly in this room size thanks to their efficiency and easy suspension on the provided bars. In summary, provide suitable complementary horticultural LED lighting for the size and specific needs of your young plants to optimize your first steps in cutting in the PROBOX Propagator M.

Question 6

Is it possible to add a silent extractor and what is the maximum size for ventilation socks?

Accepted Answer

It is indeed possible to add a silent extractor in the PROBOX Propagator M (80x60x40 cm). This grow box has two ventilation windows with a 135 mm diameter scratch cover, as well as two adjustable socks compatible with round ducts up to 100 mm in diameter. The system is designed to accommodate an air extractor suitable for this duct size, with a flow rate generally between 30 and 60 m³/h, but you can also opt for a more powerful silent extractor as long as it remains compatible with the duct diameter (max 100 mm). In summary: silent extractor yes, ventilation socks suitable up to 100 mm in diameter.

Question 7

Can an automatic humidity system be easily integrated into the Propagator M chamber without compromising ventilation and temperature control?

Accepted Answer

The PROBOX Propagator M is designed with specific ventilation openings (diameter 135 mm) and a cable passage, allowing easy integration of an automatic humidity system without compromising ventilation or temperature management. Thanks to this thoughtful design, you can maintain optimal air circulation while precisely controlling humidity for your cuttings. This chamber remains perfectly suited for a stable and efficient growing environment.

Question 8

What is the real impact of the reflectivity rate at 97% on the average PPFD in this 0.48m² chamber compared to a tent with mylar at 85 or 90?

Accepted Answer

The 97% reflectivity rate of the PROBOX Propagator M allows for better light retention and redistribution inside the chamber, compared to a standard mylar at 85-90%. This difference is particularly pronounced in a confined space of 0.48 m², where light frequently bounces off the walls.Specifically, a rate of 97% translates to about 10 to 30% additional average PPFD, due to lesser light loss with each reflection (3% versus 10-15%). This offers a more intense and uniform light, a valuable asset to optimize the growth of young plants and cuttings.In summary, choosing a 97% reflective coating in this size of growbox maximizes light efficiency, which is significant for successful indoor cultivation.

Question 9

What is the internal useful height of the Propagator M 80x60x40 cm room to install a hydroponic growing system with LED lighting and aeration pump?

Accepted Answer

The internal useful height of the PROBOX Propagator M 80x60x40 cm is 40 cm, which corresponds to the maximum available dimension to install your hydroponic growing system with LED lighting and aeration pump. This height allows for effective positioning of the LED lighting via the integrated double suspension bar, while ensuring good air circulation thanks to the adjustable ventilation socks designed for a recommended flow rate of 30 to 60 m³/h. Thus, the ventilation is sufficient to prevent overheating in this compact volume. Therefore, you have an optimized space for efficient hydroponic cultivation, provided that you correctly adapt the equipment to this 40 cm high module.

Question 10

Probox Propagator M 80x60x40 sufficient to start several cuttings in parallel or better segment the space with partitions to optimize results?

Accepted Answer

The PROBOX Propagator M 80x60x40 cm offers a surface area of about 0.48 m², ideal for starting several cuttings in parallel. Its inner mylar surface ensures even light distribution, promoting uniform growth. Segmenting the space with partitions may be considered to create specific microclimates, especially if the cuttings have different needs. However, this practice is not standard and may complicate air circulation and light diffusion, while the adjustable ventilation and the PROBOX design are already optimized for a homogeneous environment. In summary, using the space continuously is generally sufficient and effective, but if you wish to manage distinct varieties or stages, removable partitions can be tested with caution.

Question 11

How can I automate the ventilation management with the scratch flap window and adjustable socks to optimize humidity and temperature in the Propagator M?

Accepted Answer

To automate ventilation in the PROBOX Propagator M (80x60x40 cm), combine adjustable ventilation socks with a suitable extractor (30-60 m³/h) to effectively extract air. The scratch flap window, allowing precise adjustment of air intake, should ideally be motorized via a servo motor to automatically modulate its opening. Install a control system combining a humidity sensor, a thermostat, and an automatic regulator that adjusts in real-time the speed of the extractor and the opening of the window. Thus, when humidity rises, the extractor speeds up and the window opens more to evacuate the excess humidity while maintaining a stable temperature. This automated management ensures an optimal microclimate, ideal for the growth of your plants. Also consider a quiet extractor and a carbon filter to guarantee air quality and comfort. This technical combination is the key to a perfectly controlled environment in your propagator.

Type of Use	Seedlings / Cuttings
Thermal management	97%
Marque	Garden HighPro
Dimensions	80x60x40
Phase d'utilisation	Bouturage
Type	Mini-serre
Surface de culture	0.48
Accessoires inclus	water tray, double barre suspension
Diamètre des tubes (mm)	16 mm
Volume (m³)	0.192
Chauffant	Non
Avec aération	Oui
Diamètre d'entrée (mm)	135

PROBOX Propagator M - Grow box 80x60x40 cm

This product is also available in pack

Seedling - Cutting - Germination Pack: Propagator M + 2 SpectraLINE IP65 60cm + 1 connection cable

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