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Optimize your small space growing with this 35W LED horticultural bulb. It delivers powerful, targeted lighting while controlling your energy consumption.
- High-performance lighting equivalent to a 70W HPS lamp for optimal growth.
- High-quality OSRAM LEDs ensure long lifespan and a tailored spectrum.
- Universal E27 base for easy and quick installation.
- Compact and quiet, ideal for tight urban spaces.
- 2-year warranty for peace of mind.
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E27 LED horticultural bulb for plants...
85,90 €
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30x30 - Pack Plug & Play LED bulb BloomLED X30 + HomeBox 30x30x60 cm + cable
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Product presentation
Efficient Indoor Plant Lighting with Low Power Consumption for Small Spaces
The BloomLED SpectraBULB X30 revolutionizes lighting for your small-scale grows with its advanced OSRAM LED technology and controlled 35W power consumption. This compact horticultural bulb delivers the equivalent output of a 70W HPS lamp while preserving your energy budget.
Power: 35W
LED Type: OSRAM OSLON SSL
Base: Standard E27
Illuminated Area: 40x40 cm in flowering
Light Spectrum: 660nm, 460nm, 6400K
Warranty: 2 years
An LED Horticultural Bulb That Transforms Your Small Spaces
Designed by BloomLED, this E27 horticultural bulb combines performance with easy installation. Its optimized spectrum effectively stimulates photosynthesis while its remarkable compactness adapts to the strictest urban constraints.
- Energy savings — only 35W consumption for efficiency equivalent to a 70W HPS lamp, drastically reducing your bills.
- Premium OSRAM LEDs — German OSLON SSL components ensuring 50,000 hours of operation and exceptional light quality.
- Universal installation — standard E27 base allowing immediate connection to any conventional socket.
- Silent operation — ultra-quiet fan <35 dB, for noise-free cultivation, ideal in apartments
Scientifically Calibrated Light Spectrum
The SpectraBULB X30's tri-band spectral technology combines the most effective wavelengths for your plants. 660 nm red stimulates flowering, 460 nm blue promotes vegetative growth, while the cool white 6400K completes the spectrum for harmonious development throughout all growth phases.
French Design for Optimized Urban Growing
BloomLED has been developing this compact horticultural lighting solution for 8 years with recognized expertise. Its ultra-compact dimensions (Ø95 mm x 122 mm) and precise 40x40 cm flowering light area eliminate light waste. You get exactly the power needed without overheating or overconsumption.
How to Use the BloomLED SpectraBULB X30?
This horticultural bulb installs in seconds and is suitable for all experience levels.
- Immediate installation — simply screw the bulb into any standard E27 socket, no ballast required.
- Optimal distance — position the lamp 30-40 cm from your plants to perfectly cover a 40x40 cm area.
- Light cycle — program 18 hours of light during growth and 12 hours during flowering for maximum results.
- Light ventilation — ensure minimal air circulation, the integrated fan efficiently manages temperature.
You immediately benefit from professional lighting without heavy investment or complicated installation.
Joseph's advice: "I recommend this bulb to start or complement existing lighting. Its ease of installation and balanced spectrum will give you confidence in your first grows."
Joseph – Director of GrowLED
Technical data sheet
Features detailed
| Thermal management | Ventilateur |
|---|---|
| Recommended distance from the canopy | 20 à 60cm |
| Base | E27 |
| Marque | BloomLED |
| Dimensions | diam 95 x 122mm |
| Format | Ampoule |
| Surface de culture | 40x40 (floraison), 50x50 (croissance) |
| Puissance consommée (W) | 35 W |
| Marque des LED | OSRAM |
| Équivalence HPS/MH (W) | 70 |
| Type de LED | OSRAM OSLON SSL |
| Type de contrôle | Filaire |
| Durée de vie (h) | 50 000 |
Convinced? In stock · ships in 24/48h from France. Add to cart — 85,90 €
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Frequently asked questions
Your questions
Can I use this E27 horticultural LED bulb for plants that are not in growth phase, but in flowering phase?
Of course, the E27 horticultural LED bulb 'SpectraBULB X30 - 35W' is the ideal option for your flowering phase plants. Thanks to its balanced light spectrum, it is just as effective at illuminating a 40 cm x 40 cm area in flowering, and 50 cm x 50 cm in growth. So, don't hesitate to use it to accompany your plants during their flowering!
Does this SpectraBULB X30 bulb have a beneficial effect on the branching of bonsais during the winter growth period when combined with low natural light?
Yes, the SpectraBULB X30 bulb with its full spectrum is perfectly suited to stimulate the branching of bonsais during the winter growth period, especially when complemented with low natural light. It compensates for the lack of light and promotes denser and healthier growth thanks to its targeted light quality. A great way to keep your bonsais vigorous during the winter.
Can we consider a scrog on 40x40 cm with the SpectraBULB X30 and how to optimize its intensity for flowering under this 35W E27 lamp?
The SpectraBULB X30 is well-suited for a scrog on 40x40 cm, covering this area during the flowering phase. To optimize its intensity under this 35W E27 lamp, it is essential to keep the light about 20-30 cm from the plants to ensure effective lighting without the risk of burning.
Be sure to distribute the stems well across the screen for an even light distribution, and maintain an appropriate light cycle, 18 h in growth and 12 h in flowering. Also monitor the temperature (18-24°C) and ensure good ventilation with humidity at 40-60% to encourage flowering.
Multiple use: can the SpectraBULB X30 bulb be effective in combination with another lighting system to optimize growth and flowering in the same room?
Yes, the SpectraBULB X30 bulb is perfectly suited to be used in addition to another lighting system. It delivers a complete spectrum that promotes optimal photosynthesis and effectively supports plant growth and flowering on the same surface. Its targeted beam is a real advantage for balancing light in the room and meeting the specific needs of your plants.This bulb is ideal for compensating or enhancing a main lighting setup, especially over small areas, and can even stimulate branching for plants like bonsais in winter. In summary, it optimizes light distribution and enhances the overall performance of your horticultural setup.
What is the average lifespan of this SpectraBulb X30 horticultural LED bulb before significant lumen loss or product change is recommended?
Regarding the lifespan of the LED horticultural bulb SpectraBULB X30, there is no precise information about lumen loss or the exact duration before replacement. Generally, LEDs maintain high performance for up to 50,000 hours of use before losing about 30% of their light intensity. This threshold is often the recommended time to consider a change to maintain optimal efficiency for your crops.
Is the SpectraBULB X30 enough on its own for optimal flowering in a 40x40 area, or is it better to combine it with another light for better yield?
The SpectraBULB X30 is perfectly suited for optimal flowering in an area of 40 cm x 40 cm. Its balanced light spectrum effectively supports photosynthesis and the flowering of your plants in this space.
However, if you wish to increase light density or meet specific needs, it may be worthwhile to combine it with another light source to improve overall yield.
Does the SpectraBULB X30 35W heat significantly less than an equivalent wattage HPS bulb to limit ventilation needs in a small growing space?
The SpectraBULB X30 35W heats significantly less than an equivalent wattage HPS bulb. Although 35W is low for an HPS, this LED uses OSRAM OSLON SSL technology that provides very efficient lighting with significantly reduced heat output.
This makes the SpectraBULB particularly suitable for small growing spaces, as it limits ventilation needs by producing little heat while maintaining excellent light output. This allows you to gain thermal control without having to install a powerful extraction system.
SpectraBULB X30 35W covers 40x40 cm in bloom, possible to use multiple bulbs in series over a small area without overconsumption or electrical overload
The SpectraBULB X30 35W efficiently covers an area of about 40x40 cm during flowering. It is possible to use multiple bulbs in the same area to better illuminate, as long as the total consumption is well managed. Each bulb consumes 35W, so care must be taken not to exceed the maximum power supported by your electrical circuit to avoid any overload.
In summary, you can install multiple SpectraBULB X30 over a small area, but it is essential to control the overall electrical load to ensure the safety and efficiency of your setup.
What is the maximum operating temperature of the SpectraBULB X30 during an intensive growth session to avoid any overheating that could harm yield?
The SpectraBULB X30 is designed to emit very little heat, making it ideal for small growing spaces. The exact maximum operating temperature is not specified, but its efficient design significantly limits the risk of overheating during intensive growth sessions.
To avoid any risk, it is recommended not to exceed the recommended electrical load when using multiple bulbs simultaneously, to maintain a stable environment and avoid overheating that could harm yield.
How to manage the installation of multiple SpectraBULB X30 in series to cover a larger area without exceeding the optimal electrical consumption?
To cover a larger area with multiple SpectraBULB X30 - 35W bulbs, you first need to calculate the total area to be illuminated, knowing that one bulb covers approximately 40 x 40 cm. Then multiply the number of necessary bulbs without exceeding the electrical capacity of your installation.
It is better to connect the bulbs in parallel rather than in series, to ensure a stable voltage and avoid risks related to overload. Also, make sure to use switches and cables suitable for the total load to ensure the safety and performance of your installation.
This precise management will allow you to optimize the lighting of your plants while respecting the maximum electrical consumption. For easy control, you can also consider a timer suited for your needs.
What is the optimal height to install this SpectraBULB X30 over 40x40 in flowering to avoid burning and promote light penetration?
For the SpectraBULB X30 intended for a 40x40 cm area in flowering, it is ideal to position the bulb between 30 and 60 cm above the plants. This distance allows for optimal light penetration while avoiding the risk of burning.
In practice, starting at about 30 cm can promote good light intensity without damage, provided you monitor the temperature under the lamp and keep it below 28 °C. Adjust the height if you notice excessive heating.
What is the maximum operational temperature of Spectra Bulb X30 lamps in continuous operation to limit thermal stress on plants?
The SpectraBULB X30 35W lamp uses OSRAM OSLON SSL LED technology, which generates much less heat than an equivalent HPS lamp. It also integrates an ultra-silent fan to prevent overheating of the bulb. To limit thermal stress on your plants during continuous use, it is recommended to maintain an ambient temperature between 18 and 24°C, with good ventilation and an ideal humidity level of 40 to 60%. The lamp should also be positioned about 20-30 cm above the plants to ensure effective lighting while preventing any risk of burning or heat stress.
What difference in output and consumption can I expect between the SpectraBULB X30 at 35W and a standard HPS horticultural bulb of 70W for a growing area of 40 cm by 40 cm?
For an area of 40x40 cm, the SpectraBULB X30 at 35W provides a full light spectrum specifically designed for all growth phases, optimizing photosynthesis and plant development. In comparison, a 70W HPS bulb offers a spectrum more oriented towards red, effective especially in flowering, but with higher consumption.
In terms of energy, the SpectraBULB consumes less than half of the HPS (35W versus 70W), representing a significant electricity savings and a much lower heat production thanks to its active cooling. This low heat promotes a stable environment ideal for indoor use, without requiring additional ventilation.
In summary, the SpectraBULB 35W is more suitable for a small growing space, providing excellent light output and significantly better energy efficiency than the 70W HPS bulb.
Is the 35w power of the Spectra bulb x30 horticultural LED bulb sufficient for a SCROG under LED on a surface of 40x40 cm or is it preferable to increase light intensity to optimize the growth and flowering of the plants?
The SpectraBULB X30 with its 35W is perfectly suited for a SCROG on a surface of 40x40 cm. With its high-quality OSRAM LEDs, it offers a full spectrum and optimal light efficiency, sufficient to support the growth phase and especially the flowering of your plants in this space.
This power allows for good light yield, comparable to a classic 70W bulb, while limiting electricity consumption and heat – a real plus in indoor cultivation.
To further maximize growth or to homogenize lighting over larger areas, you might consider adding a second bulb or more powerful lighting. But for your setup, this bulb alone is an excellent choice.
What is the average PPFD in the center of the 40x40 cm area for this 35W SpectraBULB X30 and what is its efficacy in µmol/J?
The SpectraBULB X30 of 35W is designed to effectively illuminate an area of about 40x40 cm during flowering. However, the exact average PPFD in the center of this area is not explicitly available in our data. For reference, a set of several similar bulbs gives a PPFD of over 700 µmol/m²/s, but this figure corresponds to a significantly higher cumulative power.
Regarding the efficacy in µmol/J, there is no official value for this 35W version. In general, horticultural LEDs with OSRAM LEDs, like in this bulb, offer an approximate efficiency between 1.5 and 2 µmol/J, depending on the technology used.
In summary, the SpectraBULB X30 is perfectly suited for a small growing space, but for precise PPFD and efficacy figures, a specific measurement on your setup would be ideal.
What is the average lifespan actually observed of this SpectraBULB X30 BloomLED horticultural bulb in intensive daily use without notable degradation of the light spectrum or power?
The average observed lifespan of the E27 SpectraBULB X30 LED horticultural bulb reaches up to 50,000 hours of intensive use before approximately 30% loss of its light intensity. This threshold is ideal to consider for replacement to ensure optimal efficiency for plant growth and flowering.
The light spectrum remains stable during this period, with degradation primarily related to overall power. The 2-year warranty also attests to the reliability of this bulb in a context of intensive daily use.
What is the actual consumption in kWh per month of the SpectraBULB X30 in continuous use on 40x40 cm and its light output compared to an equivalent 70W HPS bulb?
The SpectraBULB X30 consumes about 12.6 kWh per month in continuous use of 12 hours a day over a surface of 40x40 cm. In comparison, a 70W HPS bulb, consuming more than double the electricity (~25 kWh/month), generally offers a lower light output for the same horticultural use.
Thanks to OSRAM OSLON SSL LEDs, the SpectraBULB X30 provides a more targeted and efficient light for plant growth while generating less heat. This allows not only for better light quality but also for optimal thermal management, reducing stress on the plant.
In summary, the SpectraBULB X30 is more energy-efficient and more effective than the 70W HPS bulb, with lighting suitable for a surface of 40x40 cm for your indoor crops.
Is the 2-year warranty on this SpectraBULB X30 horticultural bulb really taken seriously by BloomLED with responsive customer service in case of LED issues or failure?
The 2-year warranty on the SpectraBULB X30 bulb is indeed taken seriously by BloomLED. This recognized French brand for over 8 years relies on quality components, including OSRAM LEDs, which ensure reliability and longevity.
In case of a problem or failure, BloomLED provides a structured and responsive customer service to support its users.
You can thus cultivate with confidence with this bulb, benefiting from real follow-up in case of failure.
Does this SpectraBULB X30 bulb provide enough light for a 40x40 box without needing to add other lights?
For a 40x40 cm grow box, the SpectraBULB X30 - 35W bulb is perfectly suited. It provides sufficient lighting without needing to add other light sources. Thanks to its full spectrum and high-quality OSRAM LEDs, it optimizes growth and flowering in this area, while being more efficient and economical than a traditional 70W HPS lamp.
This lamp simply screws into a standard E27 socket and offers powerful and focused lighting, ideal for a small box. You can therefore grow with peace of mind without compromising light quality.
What is the exact PPFD curve at 30 cm distance from the SpectraBULB X30 and what light yield in micromoles per joule can we expect on its optimal lighting surface of 40x40 cm during flowering?
The SpectraBULB X30 - E27 LED Bulb 35W is designed to effectively illuminate an area of approximately 40x40 cm during flowering at a distance of 30 cm. However, the precise PPFD curve in µmol/m²/s at this distance is not specifically published, which is common for this type of compact product.
Regarding the light yield, thanks to its high-quality OSRAM OSLON SSL LEDs, you can expect a yield between 1.5 and 2.2 µmol/J on the optimal surface. This makes it more efficient than a 70W HPS bulb for a similar area, while consuming less energy.
This configuration ensures proper lighting for flowering with a good balance between spectral quality and energy efficiency, despite the absence of specific data officially communicated.
Can I use this SpectraBULB X30 bulb in addition to a larger LED panel to optimize growth without overconsuming?
Yes, the SpectraBULB X30 35W bulb can perfectly be used in conjunction with a larger LED panel. Its design with OSRAM OSLON SSL LEDs provides targeted and efficient lighting over an area of approximately 40x40 cm during flowering, without overconsuming energy.
This modularity allows you to increase the light where your plants need it the most, for example on young plants, without overloading the entire system or your electricity bill. An ideal solution to optimize growth while managing your consumption.
Is the SpectraBULB X30 effective for growth in a 50x50 area, or is it recommended to limit to 40x40 for optimal yield?
The SpectraBULB X30 is optimized for an area of about 40x40 cm, providing optimal yield in growth thanks to its full spectrum and quality OSRAM LEDs. For a 50x50 cm area, a single bulb will be insufficient for uniform lighting and maximal development.
To effectively cover 50x50 cm, we recommend adding a second SpectraBULB X30 or opting for a more powerful LED system. This will help maintain good light intensity and ensure good yield without wasting energy.
What is the exact distribution of the light spectrum between 660nm, 460nm, and 6400K on the SpectraBULB X30, and how does it impact the yield in g/watt during flowering on a 40x40cm area?
The SpectraBULB X30 is designed with a full spectrum combining peaks at 660 nm (red, crucial for flowering), 460 nm (blue, important for growth), and a cool white light equivalent to 6400K. However, the precise percentage distribution of these wavelengths is not specifically detailed in the available data.
This 35W bulb, equipped with OSRAM LEDs, offers a luminous efficiency of approximately 1.5 to 2 µmol/J, ideal for evenly covering an area of approximately 40x40 cm during the flowering phase. This well-balanced spectrum optimizes photosynthesis and promotes high-quality floral production in this area.
In terms of energy yield, the SpectraBULB X30 allows for a good ratio of grams per watt (g/W), comparable to a traditional HPS bulb of higher power, with lower electricity consumption and easier thermal management. It is an excellent choice for efficient and controlled indoor cultivation in a small area.
Is the light intensity of this bulb optimal for a 40x40 SCROG setup under LED, or should it be combined with other sources to avoid shadow spots?
The SpectraBULB X30 - 35W bulb is perfectly suited for a 40x40 cm SCROG area thanks to its OSRAM LEDs offering a full spectrum and a power equivalent to 70W HPS while consuming little energy. Positioned between 20 and 30 cm above the plants, it ensures effective lighting for growth and flowering.
However, this bulb remains a point source: to avoid shadow areas and ensure even light distribution across the entire canopy, it is recommended to combine it with other LED sources or supplemental bulbs. This approach enhances light coverage, especially in a dense SCROG.
In summary, the light intensity of the SpectraBULB X30 is optimal for your setup, but multi-source lighting will always be more effective for a uniform output.
What area can the SpectraBULB X30 illuminate during the flowering phase?
It ideally covers 40 cm x 40 cm during flowering and 50 cm x 50 cm during growth, thanks to its powerful OSRAM OSLON SSL LEDs.
How to install the SpectraBULB X30 in my indoor grow setup?
Simply screw the bulb into a standard E27 socket, turn it on, and enjoy efficient lighting with an ultra-quiet fan for continuous use.
What ambient temperature do you recommend for using the SpectraBULB X30?
Maintain 18-24°C with good ventilation and humidity 40-60% to minimize thermal stress, as it heats less than an HPS.
Why choose OSRAM LEDs of the SpectraBULB X30?
OSRAM OSLON SSL LEDs offer an efficiency of 1.5-2.2 µmol/J, surpassing a 70W HPS in targeted efficiency and light quality.
Is the SpectraBULB X30 economical to use?
At 35W (equivalent to 70W), it drastically reduces consumption and energy costs, with a lifespan of up to 50,000 hours.
Why is the SpectraBULB X30 superior to traditional HPS bulbs?
Less heat, full spectrum 660nm-460nm-6400K suitable for growth/flowering, silent and discreet for optimal indoor cultivation.
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