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Lamps/Bulbs

Misc. Electrical Products CFL Lamps
Misc. Electrical Products

CFL Lamps

CFL Lamps give off less heat than any other growing light bulbs - and require no..
From £19.95
Adjust-A-Wings Hellion DE HPS Lamp 750W
Adjust-A-Wings

Hellion DE HPS Lamp 750W

Adjust-A-Wings Hellion DE-HPS lamp runs perfectly at both 600W and 750W settings..
From £59.95
Philips MASTER GreenPower SON-T PIA 400V 600W EL Bulb
Philips

MASTER GreenPower SON-T PIA 400V 600W EL Bulb

Philips MASTER GreenPower Plus 400V 600W Lamps have been specially designed for ..
From £49.95
Philips MASTER SON-T PIA Plus 600W Bulb 230V
Philips

MASTER SON-T PIA Plus 600W Bulb 230V

Philips SON-T PIA Plus 600W 230V light bulbs are high pressure sodium discharge ..
From £44.95
Sunmaster Metal Halide Finishing Deluxe Lamp
Sunmaster

Metal Halide Finishing Deluxe Lamp

Sunmaster designs and manufactures a complete line of metal halide lamps with sp..
From £39.95
Sunmaster SONT+ DS
Sunmaster

SONT+ DS

SUNMASTER SONT+ DS Bulbs - The Sunmaster Dual Spectrum lamp is scientifically d..
From £14.95
Loadstar Dual Spectrum DE Lamp 1000W
Loadstar

Dual Spectrum DE Lamp 1000W

Generally considered to produce 10% more PAR and increased intensity, these 1000..
From £54.95
Sunmaster 600W 400V Bulb
Sunmaster

600W 400V Bulb

Sunmaster 600w/400v Dual Spectrum HPS lamp is a radically new, scientifically de..
From £34.95
Sylvania Grolux DS Lamp 400W
Sylvania

Grolux DS Lamp 400W

The Sylvania Grolux HPS bulb was designed specifically for greenhouse supplement..
From £25.95
Maxibright Maxibright - Ceramic Metal Halide Agro 3K 315W Lamp
Maxibright

Maxibright - Ceramic Metal Halide Agro 3K 315W Lamp

Daylight 315W CMH Agro 3K 3K CMH agro This lamp uses innovative new ceramic meta..
From £69.95
Loadstar Dual Spectrum Lamp 250W (Loadstar/Omega)
Loadstar

Dual Spectrum Lamp 250W (Loadstar/Omega)

The vast majority of a Dual Spectrum Grow Lamps output is in red light. However..
From £11.95
Philips 315W CDM 930 3000K Agro
Philips

315W CDM 930 3000K Agro

With a color temperature of 3000K, Philips CDM-TMW Elite 315W 930 PGZX18 will pr..
From £104.95
Maxibright Metal Halide Bulb 600W
Maxibright

Metal Halide Bulb 600W

Maxibright Metal Halide Bulb is on the end of the blue spectrum, which is high-i..
From £29.95
Gavita Pro 600W 400V EL E40
Gavita

Pro 600W 400V EL E40

Gavita Pro 600W 400V EL E40 have the highest PAR light output, improved spectrum..
From £41.95
Philips MASTER Greenpower SON-T PIA 600W Lamp 230V
Philips

MASTER Greenpower SON-T PIA 600W Lamp 230V

Philips Master GreenPower 600W / 230 Volt HPS Lamp is a single-spectrum lamp wit..
From £39.95
Philips 315W CDM 942 Daylight 4200K Grolux 600W (Grow)
Philips

315W CDM 942 Daylight 4200K Grolux 600W (Grow)

Philips 315W CDM 942 Daylight 4200K Grolux 600W Lamp has that extra blue light m..
From £104.95
Gavita Pro 600 -750W 400V EL DE
Gavita

Pro 600 -750W 400V EL DE

A unique feature we introduced with this fixture was the use of a high voltage, ..
From £87.95

The most common type of grow-light bulb is the T5 & T8 LED Tube Light. The bulb is most often found in (more or less) 6,500 Kelvin, which is the color temperature of the light we see at daylight. Traditionally, blue lights would be used to provide plants with this necessary wavelength. Plants undergo vegetative growth during daylight hours, so this light is beneficial to plants during the vegetative stage of growth.
Bulbs that are ~2,700 Kelvin are beneficial to plants in the flowering and fruiting stages of growth. This is the color temperature during sunrise hours of the day. Bulbs that are 2,700 to 2,700 Kelvin are traditionally warmer in color, with more red and orange tones. The red lights used by some growers would deliver this color-temperature to plants.

Both the 2,700 and 6,500 Kelvin lights are available as white LEDs, so there is no need to use red or blue lights anymore. We recommend using fixtures that hold four bulbs, and alternating the 2,700 and 6,500 Kelvin bulbs in the fixture. This will ensure that plants receive the benefits of both.

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