Question 1

Is the SpectraB.2.G UV120 horticultural bar compatible with a variable photoperiod system to adjust the UV supply according to the flowering stage of cherry trees?

Accepted Answer

The SpectraB.2.G UV120 horticultural bar is not specifically designed to be controlled by a variable photoperiod system. It is ideal for adding UV supplementation to stimulate flowering, especially in combination with other lighting, but it does not offer intensity variation or automated cycle management via photoperiod. To adjust the UV supply according to the flowering stages of cherry trees, an external control system (timer or automation) will therefore be required to switch the bar on and off at specific times, but without intensity modulation. Feel free to explore our solutions on the GrowLED shop to find what best suits your project!

Question 2

Question: What is the exact photon efficiency (µmol/J) of the SpectraB.2.G UV120 bar for optimal use as a supplement over 120cm x 20cm during flowering?

Accepted Answer

The SpectraB.2.G UV120 bar consumes 30W and is designed as a supplemental light source for an area of about 120cm x 20cm during flowering. However, we do not have precise data on its exact photon efficiency in µmol/J. This type of UV lighting is intended to complement other main sources for an optimized light spectrum, rather than providing the majority of the illumination. For optimal use, it is typically combined with another high-efficiency main lighting.

Question 3

How to position this SpectraB.2.G UV120 30W bar to maximize the effect on blooming without overloading the climate on a 120x20cm surface?

Accepted Answer

To maximize the effect of the SpectraB.2.G UV120 30W on your 120x20 cm surface, position the bar approximately 20 to 30 cm above the plants. This effectively stimulates flowering without the risk of overheating. Since this bar is designed as a supplement, it should be used in conjunction with your main lighting to avoid climate overload and ensure even coverage across the entire area.

Question 4

What is the heat level generated by this UV120 LED bar and at what distance should it be placed from the plants to avoid any risk of burning while optimizing flowering?

Accepted Answer

The horticultural bar SpectraB.2.G UV120 - 30 Watts generates very little heat thanks to passive thermal management, without an active fan, making it silent and safe for your plants even with prolonged use. To avoid any risk of burning while optimizing flowering, we recommend positioning it 20 to 30 cm above the canopy. This distance allows for effective light intensity without thermal stress on your crops. This UV bar is ideal as a supplement to main lighting, providing a beneficial surplus to stimulate the flowering and quality of your indoor plants.

Question 5

Is the SpectraB2G UV120 completely waterproof truly suitable for use in very humid environments like a greenhouse or grow closet?

Accepted Answer

The SpectraB.2.G UV120 – 30Watts is indeed waterproof and resistant to water, designed to operate in very humid environments like a greenhouse or a grow closet. It has an IP65 rating, which ensures protection against water jets and dust, thus ensuring durability and reliability in these conditions. However, it is recommended to follow the installation instructions to avoid any unintended total immersion beyond its protection rating.

Question 6

Does the warranty cover moisture problems, since the bar is waterproof? And regarding lifespan, are we talking about at least 3 years without significant degradation of the UV LEDs?

Accepted Answer

The SpectraB.2.G UV120 - 30 Watts bar is not officially waterproof, and its 2-year warranty does not cover damage caused by moisture. It is designed to protect against manufacturing defects, but it is recommended to use it in a dry environment or with appropriate protection.

Question 7

What is the actual penetration of the SpectraB.2.G UV120 in a 60x60 cm growing space to optimize flowering in micro-culture?

Accepted Answer

The SpectraB.2.G UV120 is a 120 cm LED bar with 30 watts, designed to provide targeted supplemental UV-A lighting to optimize flowering. Its optimal coverage is about 120 x 20 cm, which makes it more suitable for complementary use rather than as a standalone light source in a 60x60 cm space. In micro-culture in this size, the actual penetration of this bar will be sufficient to enhance flowering, but it is highly recommended to pair it with another main light source that is wider and more uniform to ensure complete and effective illumination of all your plants.

Question 8

What is the PPFD curve at combined use for maximum yield on 120cmx20cm with 30W on this UV bar?

Accepted Answer

The SpectraB.2.G UV120 - 30 Watts bar is designed to complement the light spectrum with UV A, promoting flowering. However, it is not sufficient alone for maximum yield on 120 cm x 20 cm. The exact PPFD curve in combined use is not specified, as this bar serves as a supplement.For optimal results, it is advisable to pair this UV bar with a suitable main wide spectrum source for your area, ensuring even and powerful lighting. This maximizes photosynthesis and plant development in this area.

Question 9

Can the SpectraB2G UV120 bar really stimulate flowering in hydroponics or is it more suitable for potting soil?

Accepted Answer

The LED horticultural bar SpectraB.2.G UV120 - 30Watts is perfectly suited to stimulate indoor flowering, whether in hydroponics or potting soil. Its spectrum enriched in UV A promotes the production of active compounds that enhance the quality and flowering of plants, regardless of the substrate used.It works in conjunction with a primary lighting system and should be integrated into a lighting system with external management of the photoperiod cycle, which is valid for both hydroponic and soil cultures.

Question 10

What are the tips for effectively integrating this UV SpectraB.2.G UV120 bar in addition to a main lighting system to optimize flowering without the risk of light stress for the plants?

Accepted Answer

To effectively integrate the UV bar SpectraB.2.G UV120 in addition to a main lighting system, it is important to follow a few rules. This bar is designed to optimize flowering by adding targeted UV-A light, but it should not replace your main light source. Place it at a suitable distance from the plants to avoid light stress, as UV can be intense. The optimal coverage is about 120 cm x 20 cm, so ensure that the entire cultivation area is well-lit uniformly. Feel free to angle the bar towards the areas where flowering is most active, to maximize the beneficial effect of the UV. Finally, monitor the ambient temperature to avoid any thermal stress, even though the bar handles heat dissipation well. This complementary approach will help enhance flowering while preserving the health and development of your crops.

Question 11

What is the precise impact of the SpectraB.2.G UV120 LED bar on the differentiated management of growth and flowering, particularly in terms of light intensity and emitted spectrum?

Accepted Answer

The SpectraB.2.G UV120 LED bar emits a spectrum primarily in UV-A, specially designed to complement the main lighting during flowering. With its 30 watts, it targets an area of about 120 cm by 20 cm, providing additional light that stimulates pigment production and improves flower quality. In terms of intensity, this bar does not have integrated adjustment, so it is essential to adjust its distance or orientation to avoid excessive stress on the plants related to UV. For vegetative growth, it is not suitable as it does not replace the full light necessary (blue-red notably). Its strength lies in a targeted action on flowering, promoting optimal development and a more effective cycle. In summary, we use this bar in addition for flowering, positioning the lighting towards active areas and ensuring ambient temperature, to fully exploit its UV-A benefits without compromising plant health.

Question 12

What is the exact PPFD power curve over 120cm x 20cm at 30W and what yield in µmol/J does this UV bar offer compared to a classic full-spectrum horticultural LED?

Accepted Answer

The SpectraB.2.G UV120 - 30 Watts is an LED bar designed to emit complementary UV-A lighting over an area of approximately 120 cm x 20 cm. However, the exact PPFD power curve delivered over this area is not officially published, as this bar is not intended to be a primary source but rather a supplemental lighting. Regarding the yield in µmol/J, this UV bar produces a photon flux in an UV-A spectrum, which is less efficient for photosynthesis than traditional full-spectrum horticultural LEDs. The latter typically offer a yield of 1.5 to 3 µmol/J or more, optimized for the blue and red wavelengths essential for growth and flowering. In summary, the SpectraB.2.G UV120 offers a lower photon yield for photosynthesis but acts by stimulating specific physiological mechanisms related to flowering. It must be combined with a full-spectrum primary light for optimal development.

Question 13

What is the average durability of the LEDs on this Spectra B.2.G UV120 horticultural bar and is a filter or additional system needed to limit odors when used in indoor cultivation?

Accepted Answer

The horticultural bar SpectraB.2.G UV120 boasts a high durability, similar to other BloomLED products with an average lifespan of about 50,000 hours. This ensures long-lasting and efficient use of your UV-A LEDs.Regarding odors, the LED bar itself does not generate any. No specific filter is necessary to limit odors related to its operation. Indoors, if odor management is required, it is best to install a ventilation system or a suitable charcoal filter for your growing space.

Question 14

Is this 120cm UV bar easy to integrate alongside my main lighting without overheating in a medium-sized indoor space?

Accepted Answer

The UV bar SpectraB.2.G UV120 - 30W is designed to easily complement your main lighting in a medium-sized indoor space. Its low power consumption (30 watts) limits heat production, significantly reducing the risk of overheating. It is important to position the bar adequately far from the plants, particularly in flowering areas, to avoid light stress and local thermal accumulation. Also, monitor the ambient temperature to ensure an optimal environment. In summary, this horticultural UV bar provides excellent input without major heat complications, making it ideal for boosting flowering without adding to the thermal load of your indoor cultivation.

Question 15

Does the integrity and light spectrum of the SpectraB.2.G UV120 bar maintain effectively in a humid and heated environment under LED, and what is the real impact of its addition on the yield and quality of flowering in SCROG with a main LED panel?

Accepted Answer

The SpectraB.2.G UV120 - 30W bar is not waterproof and does not withstand direct humidity, so it is better suited for a dry or well-ventilated environment. Its passive thermal management produces little heat, but proper ventilation is necessary to avoid any deterioration and ensure the stability of its light spectrum over the long term. In SCROG cultivation with a main LED panel, this complementary UV-A bar enhances flowering by boosting the production of secondary compounds, pigmentation, and flower density. Its positive effect, however, remains dependent on good integration into the light cycle and a controlled microclimate to avoid excessive stress. In summary, it is an excellent additive to optimize the quality of flowering, provided that a temperate, low-humidity, and well-ventilated environment is maintained.

Question 16

What is the light intensity in micromoles that this UV LED bar produces and how should it be ideally positioned relative to the plants to maximize flowering without the risk of light stress?

Accepted Answer

The LED bar SpectraB.2.G UV120 - 30 Watts primarily emits in the UV-A spectrum and does not have an officially published PPFD value (micromoles/m²/s), as it is not designed as a primary light source. Its UV-A intensity is therefore relatively low in terms of photosynthesis but very useful for stimulating the physiological mechanisms of flowering. For optimal use, position it as a supplement to a full-spectrum main light, at a distance of 20 to 40 cm from the flowering areas, directing it directly towards the canopy. This maximizes the beneficial effect of UV-A without risking stress or burns on the plants, especially at a stable room temperature. This targeted approach promotes healthy and efficient flowering while respecting the plants' sensitivity to UV radiation.

Functions	Not Dimmable
Waterproof	Yes
Thermal management	Passive
Recommended distance from the canopy	~ 50cm
Marque	BloomLED
Dimensions	120 cm x 6 cm x 3 cm
Surface de culture	120 cm x 20 cm
Puissance consommée (W)	30W
Spectre lumineux	Floraison
Indice IP	OUI - IP65
Type de LED	LED
Bruit	Silencieux

SpectraB.2.G UV120 - 30Watts - UV A LED Horticultural Bar - BloomLED

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