HPS Lamp 400W Flowering 2100K

Buy HPS 400W Flowering 2100K Lamp indoor growing

The HPS 400W Flowering 2100K Lamp concentrates a warm spectrum with peaks in red and far red, the ideal range to stimulate flowering processes and achieve compact buds. HPS technology stands out for its stable photonic efficiency and great light penetration, benefiting dense canopies in medium-sized grow tents.

With 48,000 lm and 2100K, the amber tone boosts carbohydrate transport and uniform ripening.

The E40 socket ensures compatibility with most reflectors and indoor electrical accessories. It works with electronic and electromagnetic 400 W ballasts, making it easy to upgrade existing equipment.

In cannabis grow rooms, it is a proven standard for its performance/cost ratio and manageable thermal stability with proper extraction.

It can be used as the main source in 80×80 to 100×100 cm tents, or as spot reinforcement in larger spaces.

In the Hydroponics Blanes catalog, a trusted Grow Shop and benchmark as a Grow Shop in Spain, it appears as a solid alternative to LED grow lights when contained investment and strong floral response are prioritized, with fast logistics and discreet shipping.

Indoor growing HPS 400W Flowering 2100K Lamp

During flowering, the HPS 400W Flowering 2100K Lamp provides energy in wavelengths that promote swelling and terpene production. The high intensity favors penetration between branches, reducing internal shadows. The warm tone helps maintain tight internodes in the final stages, achieving dense and resinous flowers. With properly sized extraction and good airflow, thermal management remains under control, even in compact tents.

What is the HPS 400W Flowering 2100K Lamp for?

• Boost flowering with a 2100K spectrum specific for bulking phases.
• Maximize density of flowers and final yield in cannabis plants.
• Improve light penetration in medium and dense canopies.
• Wide compatibility with E40 reflectors and 400 W ballasts.
• Very competitive cost/performance ratio compared to other systems.

Tool for indoor growing HPS 400W Flowering 2100K Lamp

This lamp operates as the core of the flowering system. With 48,000 lumens and E40 socket, it integrates into open or closed reflectors prepared for HPS. The warm 2100K emission supports sugar metabolism and calyx filling. In hybrid plans, it combines well with LED grow lights in cool spectrums to balance morphology, or with halides in pre-flowering. The simple architecture reduces failure points and facilitates scheduled replacement of the consumable.

How is the HPS 400W Flowering 2100K Lamp used?

• Connection: install in E40 lamp holder and connect to compatible 400 W ballast (electronic or electromagnetic).
• Height: start between 40–60 cm from the canopy and adjust according to climate and cultivar response.
• Climate: reinforce extraction and internal circulation to evacuate heat and maintain target VPD.
• Photoperiod: 12/12 in flowering; avoid light leaks during the “night”.
• Maintenance: clean glass with a dry cloth; avoid touching the bulb with hands; schedule replacement after several harvests to maintain useful output.

HPS 400W Flowering 2100K Lamp Price

The HPS 400W Flowering 2100K Lamp offers an affordable cost and consistent results, ideal for modernizing tents without renewing the entire installation. Packs with reflectors, ballasts, and indoor electrical accessories available at Hydroponics Blanes with discreet shipping.

Where to buy HPS 400W Flowering 2100K Lamp online?

Available at Hydroponics Blanes, a trusted Grow Shop with a wide catalog at Grow Shop in Spain. Technical advice, spare parts, and alternatives in LED grow lights and mixed systems to optimize each phase of indoor growing.

Technical features: Power 400W | Type HPS | Stage Flowering | Socket E40 | Output 48,000 lm | Color temperature 2100K | Compatible with electronic and electromagnetic ballasts.

Alternative description: HPS 400W Flowering 2100K Lamp concentrates a warm spectrum for bulking and ripening in cannabis growing. High penetration, easy installation in E40 and reliable performance for medium tents.

Available at Hydroponics Blanes with expert support and discreet shipping throughout Spain.