Achat vérifié
Génial
Trop bien.
Discover the Cosmorrow Ultraviolet 20W 50cm LED horticultural bar from Secret Jardin !
Warning: Requires the Cosmorrow power supply to operate (in 1x 20W or 2x 20W).
Satisfait ou remboursé
14 jours
Retour 14 jours
Frais de retour à votre charge
SAV expert FR
Conseil horticole
Paiement en plusieurs fois
with Alma, from €50 — or pay in 15 days from €100
Cosmorrow Ultraviolet LED bar 20W - 50cm
29,89 €
Parraine tes proches
5 % pour toi & 5 % pour ton ami
Description
Product presentation
Discover the Cosmorrow Ultraviolet 20W 50cm LED horticultural bar from Secret Jardin ! Thanks to this lighting, you will have beautiful coloring, denser foliage while optimizing their defenses against diseases, mold and parasitic attacks, 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.
Technical data sheet
Features detailed
Convinced? In stock · ships in 24/48h from France. Add to cart — 29,89 €
They've adopted it
Reviews customers
Frequently asked questions
Your questions
This Cosmorrow Ultraviolet 20W LED bar is IP65 waterproof and helps improve foliage coloration and density while strengthening the natural defense of plants. My question is: Can this UV bar be used continuously during the entire flowering phase without risking stress to the plants, and how does this affect electricity consumption and thermal management in a 1m² grow box?
The Cosmorrow Ultraviolet 20W - 50cm LED bar can be used during flowering to strengthen natural defenses and improve foliage coloration, but it is better to avoid continuous UV exposure throughout the entire flowering phase to prevent plant stress. It is rather designed as an occasional supplement.In terms of consumption, with its 20W it is economical and does not overload your installation for a 1m² space.Regarding thermal management, this UV bar generates very little heat thanks to its IP65 waterproof rating and passive cooling, which is ideal for a small space without risk of overheating.For optimal operation, integration in controlled cycles and good box ventilation are recommended.
Can this 20W ultraviolet LED bar be combined with full spectrum LEDs to maximize growth and defense without increasing heat?
Yes, the Cosmorrow Ultraviolet 20W LED bar (50cm) can be perfectly combined with full spectrum LEDs to stimulate growth and strengthen plant defenses. Its heat emission is very low, allowing you to add this supplement without risk of overheating. It's an excellent way to maximize light benefits while maintaining controlled temperature in your growing space.
Can I use this 20W ultraviolet LED bar as the only lighting for the entire growth phase, or should I combine it with a full spectrum lamp for optimal results?
The Cosmorrow 20W Ultraviolet LED Bar - 50cm is ideal for boosting plant defenses and enhancing their coloration, but it does not cover the full light spectrum necessary for all growth phases. For optimal results, it is recommended to combine it with a full spectrum lamp, which will provide the balanced lighting essential for healthy growth, efficient photosynthesis, and successful flowering.
What are the concrete benefits of using the Cosmorrow Ultraviolet 20W 50cm LED bar on foliage density and disease resistance compared to standard horticultural lighting?
The use of the Cosmorrow Ultraviolet 20W 50cm LED bar provides a real benefit for foliage density and disease resistance compared to standard horticultural lighting.
Thanks to its specific ultraviolet light (around 365 nm), this bar promotes growth with shorter internodes, resulting in denser and more compact foliage. This UV spectrum also activates the production of natural protective compounds like phenols and flavonoids, thereby enhancing the plants' immune defenses.
In addition, ultraviolet light limits the proliferation of mold on foliage and in the surrounding environment, significantly reducing the risk of fungal diseases. In comparison, standard lighting, focused on red and blue, mainly stimulates rapid growth but does not encourage this natural strengthening or foliage densification.
In summary, the Cosmorrow UV bar offers an effective solution for obtaining stronger, healthier plants with airy foliage while minimizing issues related to pathogens.
What is the light intensity and penetration depth of the Cosmorrow 20W ultraviolet LED bar for effective cultivation in a 50cm wide box?
The Cosmorrow Ultraviolet 20W - 50cm LED bar offers a light intensity of approximately 34 μmol/s, with a spectrum including a UV component at 365 nm that stimulates plant resistance and limits disease development. For a 50 cm wide box, it is ideal to position the bar between 25 and 35 cm from the foliage, which allows sufficient UV light penetration to strengthen plant structure without risk of burning.
This UV penetration depth, well suited to this type of installation, promotes compact and healthy growth, in addition to full-spectrum main lighting.
Compatible with standard home automation protocols for easy integration into a lighting and temperature/humidity sensor management system?
The Cosmorrow Ultraviolet LED bar 20W - 50cm is not specifically indicated as compatible with standard home automation protocols. Its integration into a lighting management system or with temperature and humidity sensors would require a detailed check of the technical specifications or a third-party interface.
However, this UV bar is effective in enhancing leaf density and improving disease resistance, a valuable asset in indoor horticulture. For advanced home automation management, more specialized modular solutions can be considered.
Ultraviolet LED bar 20W real warranty without power degradation for 2 years? IP65 waterproof tested under real greenhouse conditions? Customer service responded quickly in case of problems?
The Cosmorrow Ultraviolet LED Bar 20W - 50cm comes with a 2-year warranty, but it does not explicitly state that it covers an absence of luminous power degradation.
It is certified IP65 waterproof, making it suitable for humid environments like greenhouses, but there is no official confirmation that it has been tested under real greenhouse conditions.
Lastly, there is no precise information available regarding the responsiveness of the customer service in case of issues with this model.
Can this 20w 50cm ultraviolet LED bar really strengthen plant defenses without overheating or increasing electricity consumption too much?
The Cosmorrow 20 W – 50 cm ultraviolet LED bar is indeed designed to strengthen the natural defenses of plants. Thanks to its UV spectrum at 365 nm, it stimulates the plant's immune system, helps fight against mold, and promotes better resistance by thickening leaves and making the plant more compact.
Regarding heat, this LED bar produces very little heat, which limits the risks of overheating in your growing space. Its electricity consumption remains moderate at only 20 W, well below traditional lighting like HPS or MH lamps, ensuring economical use and suitable for supplementary lighting.
Therefore, this bar is an excellent choice for strengthening your plants without negatively impacting the temperature or electricity consumption of your setup.
Does the Cosmorrow Ultraviolet 20W LED bar have an efficient cooling system to ensure durability beyond 6 months in intensive use in a humid environment?
The Cosmorrow Ultraviolet 20W LED bar features a passive cooling system, which means it does not have a fan but dissipates heat through its chassis. This design ensures silent and reliable operation without specific maintenance.
Its IP65 rating guarantees good resistance to water splashes and humidity, making it suitable for a humid environment. Regarding durability, while no specific data indicates prolonged intensive use beyond six months, the average lifespan of LEDs of this type is generally around 50,000 hours, which demonstrates long-term robustness.
In summary, this model is well-designed to withstand humidity and offers effective cooling through conduction, which should ensure good durability even in intensive use.
Does this Cosmorrow Ultraviolet 20W LED bar significantly improve resistance to pest attacks without negatively impacting rapid growth?
The Cosmorrow Ultraviolet 20W - 50cm LED bar indeed improves the resistance of plants to pest attacks thanks to its emission of UV at 365 nm, which reduces the development of mold and strengthens their immune system.
This stimulation protects your plants without slowing down their growth. On the contrary, it promotes compact growth with thick and robust leaves, ensuring vigorous vegetative production. By maintaining an installation distance of 25 to 35 cm from the foliage, you optimize the effect without risk of burning or negative impact.
For optimal results, pairing this UV bar with other horticultural LED light spectra can enhance the overall health and yield of your indoor crops.
What is the average lifespan of this ultraviolet LED bar and does it impact plants' long-term sensitivity to diseases?
The Cosmorrow Ultraviolet LED Bar 20W - 50cm has an average lifespan of about 50,000 hours, ensuring stable performance over the long term. This UV light, around 365 nm, naturally promotes the production of protective compounds in plants, such as phenols and flavonoids, which enhance their resistance to diseases.
Additionally, it helps limit mold on leaves and in the environment, reducing the risk of fungal diseases. Thus, its regular use contributes to better plant health and a decreased sensitivity to pathogens.
Can this 20W ultraviolet LED bar be easily combined with a main indoor LED panel to boost growth without overheating?
The Cosmorrow Ultraviolet 20W LED Bar - 50cm integrates perfectly with a main indoor LED panel to stimulate growth without the risk of overheating. Its low heat emission allows for close positioning to the plants without damaging the foliage. The UV spectrum at 365 nm enhances plant resistance and leaf density, ideally complementing full-spectrum lighting. Compact and easy to install, this bar offers an effective and energy-efficient solution to boost your cultivation.
What is the real impact of the Cosmorrow Ultraviolet 20W LED bar on plant growth and defense compared to standard LED lighting in mixed indoor cultivation?
The Cosmorrow Ultraviolet 20W - 50cm LED bar provides a real benefit compared to standard LED lighting. Its specific UV light promotes denser growth with shorter internodes, which densifies the foliage. It also stimulates the natural production of protective compounds like phenols, enhancing the plants' immune defenses.
Additionally, this bar effectively limits the risk of fungal diseases by reducing mold proliferation, an advantage that standard red/blue lighting does not offer. Finally, its low heat output and IP65 waterproofing allow it to be positioned safely close to the plants, even in humid environments.
In summary, it plays a key role in achieving more robust, healthy, and resilient indoor crops against pathogens, which is particularly interesting in mixed cultivation.
Is this 20W 50cm ultraviolet LED bar compatible with a 80x80 grow space without the risk of overheating or excessive electricity consumption?
The Cosmorrow 20W - 50cm ultraviolet LED bar is very well suited for an 80x80 cm grow space due to its low power consumption of 20 W. Its passive cooling system through the chassis allows for effective heat dissipation without a fan, thus minimizing the risk of overheating.
To ensure proper thermal management, it is important to position the bar to guarantee optimal airflow around it, especially in a humid environment. This way, you will avoid any heat buildup and maximize the benefits of UV for the growth and robustness of your plants.
In summary, this ultraviolet bar offers an excellent compromise between power, energy efficiency, and temperature control in your 80x80 cm space.
What are the specific effects of ultraviolet light on plant growth and flowering, and can its intensity be regulated to adapt the spectrum according to the phases of cultivation?
Ultraviolet light, particularly in the UV-A range, stimulates photosynthesis, promoting faster growth with broader leaves and enhanced development. It also improves the quality of plants by increasing the production of flavonoids and terpenes, enriching taste, aroma, and coloration. UV-B contributes to the plants' resistance to stress, but its intensity must be carefully controlled to avoid any negative effects.
The Cosmorrow Ultraviolet LED bar 20W - 50cm does indeed allow for the regulation of UV light intensity, which is ideal for adapting the spectrum to the different cultivation phases: a moderate intensity during growth to boost photosynthesis, and an optimized intensity during flowering to maximize the production of beneficial compounds. This regulation ensures a safe and effective use of the UV spectrum, which is essential to fully harness its effects on your plants.
Can this 20W 50cm ultraviolet LED bar be used in parallel with a main light source without the risk of overheating or disrupting the light cycle of plants?
The Cosmorrow 20W – 50 cm Ultraviolet LED bar is perfectly suited to be used in parallel with your main lighting. Its moderate consumption (20 W) and IP65 protection rating ensure safe operation without risk of overheating, provided that adequate ventilation is maintained.
Additionally, this UV bar offers independent control of the ultraviolet spectrum, allowing you to add this supplemental lighting without disrupting the main light cycle of your plants. The UV spectrum promotes better leaf development and strengthens plant health, particularly during the growth phase, without creating disorder in their photoperiod.
In summary, it effectively complements your lighting setup without notable risk, for a healthy and balanced cultivation.
Does the Cosmorrow Ultraviolet 20W LED bar really accelerate the vegetative phase and leaf density in hydroponics or is its effect mainly oriented towards protection against diseases and pests?
The Cosmorrow Ultraviolet 20W - 50cm LED bar has a dual effect in hydroponics: it effectively protects your plants against diseases and pests while stimulating the vegetative phase. Its UV light shortens the internodes, making the plant more compact with denser and sturdier foliage. This strengthening of the vegetative structure is also accompanied by thicker and healthier foliage, optimizing overall growth.
How to effectively integrate the Cosmorrow Ultraviolet 20W LED bar into a differentiated management program to promote growth without disrupting flowering?
The Cosmorrow Ultraviolet 20W - 50cm LED bar is ideal as a targeted supplemental light, particularly effective during the growth phase. During this period, it stimulates robust growth and dense foliage due to its 365 nm UV light, without generating excessive heat.
During flowering, it is best to limit its usage to short sessions, for example, 1 to 2 hours per day or a few days per week. This helps strengthen natural defenses and improve coloration while avoiding stress detrimental to flower quality.
This differentiated management—frequent and regular use during growth, moderate and occasional use during flowering—ensures healthy growth and preserved flowering, maximizing the benefits of UV light without compromising plant development.
What is the precise consumption of the Cosmorrow Ultraviolet 20W 50cm LED bar in kWh per day for a cultivation area of 1.5m x 1.5m with yield optimization and real impact on the EDF bill with the current increased rate?
The Cosmorrow Ultraviolet 20W - 50cm LED bar consumes about 0.24 kWh per day when operating for 12 hours, suitable for a cultivation area of 1.5m x 1.5m. At this rate, consumption over a month would be about 7.2 kWh, resulting in an electric cost of approximately €1.58 per month with the current EDF rate of €0.22/kWh.
This cost remains moderate, even if you use multiple bars or increase the lighting duration. The UV bar acts as a complement to the light spectrum, improving plant quality, but for optimal yield, it should be paired with full-spectrum LED lighting.
What is the actual penetration offered by this Cosmorrow 20W ultraviolet LED bar in hydroponic cultivation, and is it effective in stimulating the natural defense of plants in a humid indoor environment?
The Cosmorrow 20W ultraviolet LED bar – 50 cm offers good UV light penetration in hydroponic cultivation thanks to its recommended positioning between 15 and 35 cm from the plants. Its low heat output allows it to be placed close to the foliage without risk, thus ensuring effective irradiation on leaves and stems.
Regarding the stimulation of natural defenses, this bar emits UV at 365 nm, promoting better resistance of plants to diseases, molds, and pests, particularly suited for humid indoor environments. However, moderate exposure is essential to avoid any stress or damage to the plants.
In summary, this UV LED bar is an excellent tool for enhancing the health and growth of plants in hydroponics by providing targeted and balanced UV radiation.
Is integration possible with the main home automation systems to control the lighting and programming of this 20W UV LED bar?
The Cosmorrow 20W Ultraviolet LED Bar - 50cm requires a dedicated Cosmorrow power supply (24V) and is not designed for native integration with classic home automation systems (Zigbee, Z-Wave, Wi-Fi, etc.).
Therefore, it is not possible to directly control its lighting or programming via a home automation hub without an external solution. To automate management, compatible 24V relays or controllers would need to be used in addition.
If precise home automation management is essential, the best approach is to opt for accessories that allow for the integration of electrical control or programming in parallel with this bar.
Compatible with home automation management system for remote control?
The Cosmorrow Ultraviolette LED-Leiste 20 W – 50 cm is not designed to be directly compatible with a home automation management system. It operates on a dedicated 24V power supply without an integrated smart control module.
For remote control via home automation, an appropriate external interface would be required, such as a compatible 24V relay or dimmer, or a power supply equipped with smart controls. Without this, the LED bar can only be controlled manually.
Can the Cosmorrow Ultraviolet 20W 50cm LED bar be used in parallel with a traditional main lighting system without the risk of overexposure or stress for the plants during a two-phase growing rotation?
The Cosmorrow Ultraviolet 20W – 50 cm LED bar can very well be used in parallel with a traditional main lighting system during a two-phase cultivation. This UV bar provides complementary light that promotes leaf density and strengthens the plants' natural defenses, without ensuring primary growth.
To avoid any risk of overexposure or stress, it is important to control the duration of exposure and position the bar at a distance of 25 to 35 cm above the canopy. At this moderate power (about 32-34 µmol/s), it effectively complements the main light without excess UV radiation.
In summary, when used with caution, this UV bar improves the quality and health of the plants without compromising their growth or causing stress.
Not seeing your question?
Your browsing
Viewed recently
Related articles
Why are red and blue LEDs weaker on my LED horticultural lamp?The article discusses the use of UV and infrared LEDs for indoor plant growth. These spectrums emit wavelengths...
Read more Discover the complete Secret Jardin packs - The Original 60 GR60 and For Twenty 100 FS100GrowLED positions itself as a key player in the indoor growing ecosystem, highlighting quality and innovation. In...
Read more
