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The Bloom 150W Pure Light CFL bulb, 2700K , is an energy-efficient lamp designed for flowering in indoor cultivation . Its warm 2700K spectrum, E40 base, and integrated ballast allow for direct installation, moderate heat, and compact buds in cannabis growing projects.

The 150W Bloom 2700K Pure Light CFL bulb is designed to provide photons in the red/amber range characteristic of the generative phase, promoting dense calyxes and uniform ripening. The energy-efficient CFL format reduces energy demand, maintains a controlled temperature, and allows for working close to the canopy without thermal stress.
The standard E40 thread accommodates common cabinet reflectors, while the integrated ballast eliminates external equipment and simplifies wiring with a 12/12 timer.
The compact tube body distributes the light in an enveloping way, illuminating the sides of the canopy and mitigating shadows on the walls of the cabinet.
This behavior is especially useful in spaces of 60×60, 80×80 or 100×100 cm, where uniformity makes a difference in floral density and drying consistency.
The lamp fits as a main source in compact grow tents or as a side booster in rooms with LED panels, within mixed schemes of LE grow lights .
At Hydroponics Blanes , a trusted Grow Shop and a leading Grow Shop in Spain , we stand out for our ease of use, stable performance, and logistics with discreet shipping throughout the country.
The 2700K spectrum provides ideal energy to direct carbohydrates towards the flowers. The 150W Bloom 2700K Pure Light CFL bulb maintains a low heat impact, crucial in grow tents where controlling VPD and leaf temperature requires a balance between extraction and gentle ventilation. The wraparound light distribution helps reduce differences between the tops and sides of the plant, promoting canopy uniformity and a consistent resin profile in cannabis plants .
• Flowering in compact cabinets : suitable intensity for 60–100 cm wide with tightly packed flowers.
• Side filler : perfect complement under main panels to eliminate shadow areas.
• Smooth transitions : transition from pre-flowering to flowering with a warm spectrum and moderate consumption.
• Spaces with sensitive climate : moderate heat that makes it easier to maintain stable parameters.
• Modular projects : easy integration into mixed configurations of LE grow lights .
A practical tool for those who prioritize stability and simplicity. The integrated ballast reduces potential failure points and noise, while the E40 socket allows for widespread compatibility with replacement bulbs and reflectors. The CFL design projects light in 360° around the tube, improving penetration in the mid and lower canopy. This feature is particularly valuable for vigorous strains that tend to shade lower leaves. The 150W power consumption allows for multiple units to be connected in parallel without significantly increasing the electricity bill, ensuring the project's economic viability.
Assembly: screw into E40 lamp holder and fix in reinforced reflector for CFL in horizontal position, ensuring firm hold and safe distance from textiles.
Approximate height: 20–30 cm above the crown during stretching; 25–40 cm in final fattening, adjusting according to foliar response and leaf temperature.
Recommended photoperiod: 12/12 during flowering using a reliable timer; switches on and off always on a regular schedule.
Climate: Continuous gentle ventilation, air renewal according to volume and humidity control to maintain VPD within the target range.
Maintenance: Clean dust from the emitter surface with a dry cloth; check the socket, cables, and timer regularly; avoid water splashes.
Compatibility: Suitable as a main source in enclosed cabinets or as a side reinforcement under LED panels in indoor cannabis plant cultivation.
The price of the Bloom 2700K Pure Light 150W CFL bulb is justified by its ease of installation (no external driver required), low heat output, and efficiency in small spaces. At Hydroponics Blanes, you can order bulbs according to your specific area and receive reflector recommendations, always with discreet shipping .
Available at Hydroponics Blanes , a leading and trusted grow shop in Spain . Our catalog features CFL and LED lighting, as well as environmental control accessories for cannabis cultivation . We offer expert technical support and efficient logistics for integrating LED grow lights into any grow tent or room.
The Bloom 150W 2700K Pure Light CFL bulb offers a direct way to add warm photons to the canopy: 2700K spectrum, moderate energy consumption, and easy installation with an E40 base . It's the ideal choice for balancing coverage, correcting side shadows, and improving flower uniformity in modern indoor growing projects.