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The SOLUX Pro LEC 630W-4200K bulb combines power and efficiency for indoor growing throughout the entire cycle. With 630W , a 4200K mixed spectrum, and a Double Ended (DE) design, it provides uniformity and light penetration in grow tents and medium-to-large cannabis grow rooms.

The SOLUX Pro LEC 630W-4200K bulb belongs to the LEC/CMH ceramic family, renowned for its continuous spectrum and high photon efficiency. The 4200K color temperature balances blue and red bands, a combination that promotes growth with controlled internodes and flowering with excellent mid-layer fill.
The DE architecture stabilizes the discharge arc and improves distribution under specific reflectors, reducing losses at the ends and providing homogeneity on SCROG benches or SOG configurations.
Key technical specifications: power 630 W , voltage 200 V , lumens 65,000 , lifespan 10,000 h , horizontal or vertical position , DE socket and dimensions ø3.25 × 38.8 cm .
In well-ventilated rooms, a 630W LEC performs with a lower heat load per watt compared to equivalent HPS lights, helping to maintain VPD and leaf temperature within optimal ranges. Integrated into hybrid setups with LED grow lights , it covers the central area with high intensity while perimeter LEDs refine coverage at the edges.
The result: a uniform canopy, compact tails, and defined aromatic profiles when irrigation and nutrition are adequate.
For those managing constant rotations, it stands out for batch-to-batch repeatability and ease of maintenance (periodic reflector cleaning and scheduled replacement to preserve flow and color).
In indoor growing, the 4200K spectrum offers vigorous vegetative growth and stable flowering. The blue bands support green leaves and a robust structure; the red content accelerates calyx formation and improves density in the mid-canopy. Ideal for grow tents 120–150 cm wide or rooms with multiple DE rows, with a well-sized extraction system to dissipate heat and move air between the canopies.
It's designed to cover both growth and flowering with a single, high-performance ceramic light source. The balanced spectral profile supports leaf mass and branching , and when switched to a 12/12 light cycle, it promotes fattening and resin production in cannabis plants . An excellent choice for grow spaces seeking high gram-per-watt efficiency with true uniformity across the entire grow table.
A solution with an excellent price-performance ratio for increasing yields per square meter without increasing equipment. An investment that pays for itself through increased density, stability, and repeatability in harvests.
Available at Hydroponics Blanes , a trusted Grow Shop and Grow Shop in Spain , with discreet 24/48h shipping . Complete catalog of LEC/CMH, HPS and LED grow lights , plus ballasts, DE reflectors, controllers and accessories to complete any installation with technical support.
For projects demanding efficiency and uniformity throughout the entire cycle, the SOLUX Pro LEC 630W-4200K bulb makes all the difference: a 4200K spectrum for sustained greenness and compact flowering, a DE format for true homogeneity, and compatibility with hybrid strategies alongside LED grow lights . At Hydroponics Blanes, you'll find expert advice, ready-to-integrate kits, and discreet shipping throughout the Iberian Peninsula—a solution designed to scale your cannabis cultivation with vigorous plants and professional-looking flowers.
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