01 — Description
Présentation du produit
Discover the Cosmorrow Flowering 40W 90cm LED horticultural bar from Secret Jardin !
Thanks to this lighting, you will considerably boost the flowering of your plants, while avoiding excessive heat, significant electricity consumption or even tedious bulb replacements.
Thanks to its waterproofing (IP65), you can cultivate peacefully with a certain humidity level, without any risk.
02 — Specifications
Caractéristiques détaillées
| Functions | Not Dimmable |
| Waterproof | Yes |
| Marque | Secret Jardin |
| Dimensions (cm) | 90 x 3.2 x 1.45 |
| Spectre lumineux | Floraison |
| Compatibilité | Alimentations Secret Jardin 1x40W ou 2x40W |
| Tension (V) | 24 |
| Durée de vie (h) | 20000 |
| Niveau sonore (dB) | Nul |
| Nombre de LEDs | 216 |
| Courant (A) | 1.67 |
03 — Customer reviews
Customer reviews
Comments All reviews Our customer reviews
04 — Questions about this product
Product questions
Your questions about this product
- Is it possible to connect multiple Cosmorrow Blooming 40W 90cm LED bars to increase light coverage without risk of overheating?Yes, it is absolutely possible to connect multiple Cosmorrow Blooming 40W - 90cm LED bars to increase light coverage. These bars are designed for efficient passive thermal management, which limits the risk of overheating even with multiple units. However, it is essential to ensure you do not exceed the maximum electrical capacity of your installation and to maintain good ventilation around the bars to ensure optimal heat dissipation.
- How is the thermal dissipation of the Cosmorrow 40W LED bar managed to avoid overheating during an intensive flowering cycle?The Cosmorrow 40W LED flowering bar features optimized thermal dissipation thanks to its aluminum housing, which naturally promotes heat dissipation. This thermal management is passive, without a fan, ensuring silent operation while preventing overheating even during an intensive flowering cycle. This design ensures a stable temperature, essential for the health and optimal development of your plants under LED lighting.
- Is this Cosmorrow Flowering 40W LED bar compatible with a silent ventilation system to minimize noise without compromising ventilation?The Cosmorrow Flowering 40W - 90cm LED bar produces little heat due to its low consumption, which greatly facilitates thermal management in your growing space. It is therefore perfectly compatible with a silent ventilation system, provided that the latter is appropriately sized to ensure effective air renewal.
A quiet low-speed extractor, combined with good air circulation, will help reduce noise without compromising the essential ventilation for the health and growth of your plants. Don't forget to regularly monitor the temperature and humidity to optimize your system.
- Does the Cosmorrow Floraison 40W LED bar really keep pace under intensive use without degrading its performance or overheating after several months of continuous use in a humid environment?
The Cosmorrow Floraison 40W - 90cm LED bar is perfectly designed for intensive use in indoor cultivation, even in humid environments. With its IP65 protection rating, it resists water splashes and dust, making it suitable for humid grow tents or greenhouses.
It boasts an estimated lifespan of 50,000 hours, with no moving parts, making it very robust. Its LED technology generates low heat, ensuring an effective passive thermal management that prevents overheating. Users report no degradation in performance or drop in yield, even after several months of continuous use.
In summary, this LED bar keeps pace well, providing stable and efficient lighting without excessive heating, even in a humid environment.
- Is the electric consumption of 40W optimal for the size of 90cm without disrupting light distribution and the harmonious development of flowering plants?The 40W consumption for the 90 cm Cosmorrow Flowering LED bar is well suited for this size. This moderate power ensures a good light distribution without generating excessive heat, thus providing an optimal environment for the harmonious development of flowering plants.The specific spectrum for flowering, combined with effective passive thermal management, allows for homogeneous coverage and stable lighting, essential for stimulating growth without stress. This bar is particularly suitable for medium growing spaces, ensuring a balance between controlled energy consumption and light performance.
- What is the optimal coverage in cm for this Cosmorrow Flowering 40W 90cm LED bar to achieve maximum yield without overloading the plant with light, and how should it be positioned relative to the top of the plants during flowering?
For the Cosmorrow Flowering 40W - 90cm LED bar, the optimal coverage for maximum yield without overloading your plants is about 100 cm wide by 40 cm deep. This area allows for ideal uniform lighting for the flowering phase.
Regarding positioning, it is recommended to hang the bar at a distance of 15 to 35 cm above the top of the plants. This height ensures good light penetration while avoiding stress or burns related to excess light.
This configuration guarantees a perfect balance between intensity and coverage to maximize your yields without the risk of light overheating.
- What is the effective light intensity in micromoles per second of the Cosmorrow Flowering 40w 90cm LED bar for a micro space of 60x60 cm?The Cosmorrow Flowering 40W - 90cm LED bar provides an effective light intensity of about 107 μmol/s (PPF) for a micro space of 60x60 cm, with a light efficiency PPE of 2.7 μmol/s/W. This power ensures an average PPFD of 240 μmol/m²/s, ideal for optimal flowering in a confined space of this size.
- Is integration possible with a voice assistant to control the LED bar? Is remote monitoring of temperature and humidity feasible? Does the bar support an automation system for watering and lighting?
The Cosmorrow Flowering LED bar 40W - 90cm is a high-performance horticultural LED bar that is waterproof, but it does not have native integration with a voice assistant for direct control. Similarly, it does not have internal sensors or remote monitoring for temperature or humidity.
Regarding automation, the bar operates with a non-dimmable fixed power supply and does not support an integrated automation system for watering or lighting. For these functions, external solutions such as timers or compatible home automation systems will need to be used.
- What is the light yield in micromoles per joule (umol/J) of the Cosmorrow Flowering 40W LED bar at 90 cm, and what is the shape of its PPFD curve in cm² at a distance of 30 cm?
The Cosmorrow Flowering 40W - 90cm LED bar offers a light yield of approximately 2.0 μmol/J, with a production of 80 μmol/s for 40 W consumed, which is very efficient for growth under LED lighting.
Regarding the PPFD curve at a distance of 30 cm, the light is distributed evenly over a linear area of approximately 90 cm long, with an optimal coverage recommended between 25 and 35 cm distance. The distribution is therefore wide and regular, ideal for uniform flowering, even though precise data in cm² is not available.
- Can we simultaneously use two Cosmorrow Flowering 40W LED bars in the same box with independent timers to optimize a parallel cultivation rotation without overheating or exceeding electrical capacity?It is quite possible to use two Cosmorrow Flowering 40W - 90 cm LED bars simultaneously in the same box with independent timers to optimize a parallel cultivation rotation.
To do this, one must ensure to have a power supply capable of providing around 80W at 24V, as each bar consumes 40W. Good ventilation is essential to avoid overheating, especially since the bars have a passive heatsink. Finally, maintaining a spacing of 25 to 35 cm between the LEDs and the plants will promote heat dissipation and ensure good growing conditions.
In summary, this setup is technically compatible and safe if you adapt the power supply, optimize ventilation, and manage each bar with its own timer to independently control the lighting cycles.
- What are the light spectra emitted by the Cosmorrow Floraison 40W 90cm LED bar, and are they suitable for all stages of flowering in hydroponics?
The Cosmorrow Floraison 40W - 90cm LED bar emits a combined spectrum including 6500K (cool white), 2100K (warm white), and 660 nm deep red. This spectral choice is ideal for the flowering phase in hydroponics, as the red light stimulates flower production and enhances yield, while the cool white provides lighting similar to natural light.
However, this spectrum is not optimal for vegetative growth, which requires more blue light. To cover all stages, it is advisable to use the Cosmorrow Floraison bar for flowering and a source with more blue, such as the Cosmorrow Croissance bar, for the vegetative phase.
- What is the average lifespan of the Cosmorrow Flowering 40W LED bar and its light efficiency in a humid environment without power loss?
The Cosmorrow Flowering 40W - 90 cm LED bar has an average lifespan of approximately 50,000 hours, ensuring long and reliable use. Its light efficiency is notable with a PPE of approximately 2.7 µmol/J and a light output (PPF) of 107 µmol/s, providing an average PPFD of 240 µmol/m²/s at 20 cm, ideal for the flowering phase.
Regarding humid environments, although this version does not formally have an IP65 certification, the Cosmorrow range is designed to remain effective and stable in humid conditions. The bar generates little heat thanks to passive thermal management, which limits moisture-related degradation and maintains consistent light output.
In summary, this bar is robust, durable, and perfectly suited for indoor cultivation with moderate humidity levels, without notable power loss or decrease in efficiency.
- How to optimize the installation of multiple Cosmorrow Floraison 40W LED bars in the same room to ensure uniform light coverage and avoid shadow areas when growing different blooming varieties?
To optimize the installation of multiple Cosmorrow Floraison 40W - 90cm LED bars in the same room and ensure uniform light coverage without shadow areas, it is advisable to:
- Arrange the bars in a network or grid with regular and parallel spacing, covering the entire cultivation area for homogeneous light diffusion.
- Suspend the bars between 30 and 50 cm above the tops of the plants, adjusting the height according to the density to maximize penetration without risk of burning.
- Ensure good ventilation to manage heat, especially with multiple bars turned on simultaneously, to maintain an optimal climate.
- Check the electrical capacity based on the number of bars, using an appropriate power supply to ensure safety and stability.
- Adapt the number of bars to the shape and size of the room, ideally rectangular, for perfect distribution and to promote uniform flowering of different varieties.
This arrangement will allow you to achieve perfectly diffused light, essential for a successful and balanced flowering.
