Dual spectrum compact fluorescent grow light. Actual length is about 40cm.Incandescent lightbulb
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Grow Lights

A Grow light is an electric lamp designed to promote plant growth by emitting an electromagnetic spectrum appropriate for photosynthesis. It emits a light spectrum similar to that from the sun, allowing indoor growth with outdoor conditions. more...

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Different light spectrums are used for the different stages of plant growth. The initial vegetative stage requires blue spectrum of light, whereas the later 'flowering' stage is usually done with red/orange spectrums. The lights can be bought by spectrum colour specifically, or some companies such as Sylvania Grolux produce a full spectrum bulb which caters for all stages of growth.

The light is usually used in conjunction with a reflector, to control and intensify the light emissions, and will include an electrical ballast to control the flow of current flowing to the light. This is required because of the high intensity of the light that is necessary to produce something akin to sunlight.

Lamp types used as grow lights include high-intensity discharge lamps, fluorescent lamps and LEDs. Grow lights are most used for indoor gardening, including indoor hydroponics and aquatic plants.

The most widely used lights for professional indoor flower and vegetable growing are HPS/SON (high pressure sodium) and MH (metal halide). These are types of HID or high-intensity discharge lamps.

The bigger the plant gets the more light it requires; if there is not enough light, a plant will not grow, regardless of other conditions.

For indoor gardening one of the most important topics is light density, measured in lux. Light density is the amount of light incident on a surface. One lux equals one lumen (unit) of light falling on an area of one square meter. A brightly lit office would be illuminated at about 400 lux. In Imperial (pounds-feet) terms, a foot-candle, or the intensity of a standard candle on an area of 1 square foot, is about 10.76 lux.

Cool white fluorescent lamps are sometimes used as grow lamps. These offer slightly lower performance, a white light, and lower purchase cost.

Read more at Wikipedia.org


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Harvest with Seed Starting System Indoor Garden, BlackHarvest with Seed Starting System Indoor Garden, Black $193.75 60 Cells Seed Starter Tray with Grow Light, 5Pack Seed Starting 5pack-60cells60 Cells Seed Starter Tray with Grow Light, 5Pack Seed Starting 5pack-60cells $29.12
Grow Lights for Seed Starting with Stand, 2ft T5 Full SpectrumGrow Lights for Seed Starting with Stand, 2ft T5 Full Spectrum $61.76 Indoor Seed Starting Kit Plant Germination System Garden Led Grow Light TrayIndoor Seed Starting Kit Plant Germination System Garden Led Grow Light Tray $32.18
Led Grow Lights for Seed Starting - Germinate Seeds Fast with Maximum Yields - GLed Grow Lights for Seed Starting - Germinate Seeds Fast with Maximum Yields - G $26.84 Seed Starting Trays, Xl Thicken Plant Germination Kit with Xl Seed TraySeed Starting Trays, Xl Thicken Plant Germination Kit with Xl Seed Tray $37.02
Seed Starter Kit with Grow Light - 60 Cell Tray - Humidity Dome - PropagationSeed Starter Kit with Grow Light - 60 Cell Tray - Humidity Dome - Propagation $71.22 SunBlaster Sl1600198 Micro Grow Light Garden, Full Spectrum, Black - Quantity 1SunBlaster Sl1600198 Micro Grow Light Garden, Full Spectrum, Black - Quantity 1 $92.11
Countertop Hydroponic Systems Harvest Seed Starting W/ Led Indoor Garden 20 W UsCountertop Hydroponic Systems Harvest Seed Starting W/ Led Indoor Garden 20 W Us $80.28 Back to the Roots Hydroponic Grow Kit 3-Pod light indoor self watering Led startBack to the Roots Hydroponic Grow Kit 3-Pod light indoor self watering Led start $50.00
Seed Starter Tray 5 Pack Self-Watering Transparent Black- Upgraded 60 CellsSeed Starter Tray 5 Pack Self-Watering Transparent Black- Upgraded 60 Cells $34.16 Harvest Hydroponic System Kits with Seed Starting System Indoor Garden Black NewHarvest Hydroponic System Kits with Seed Starting System Indoor Garden Black New $92.62
New ListingT5 Grow Lights for Seed Starting, 16 in Long, 2-Count (10W X2) Full Spectrum LedNew ListingT5 Grow Lights for Seed Starting, 16 in Long, 2-Count (10W X2) Full Spectrum Led $30.92 2Ft T5 Full Spectrum Grow Light for Seed Starting with Stand, 32W 144 Leds, A.2Ft T5 Full Spectrum Grow Light for Seed Starting with Stand, 32W 144 Leds, A. $62.99
Seed Starter Tray w/Grow Light 4 Pc Silicone Cell Humidity Dome Reusable GrowingSeed Starter Tray w/Grow Light 4 Pc Silicone Cell Humidity Dome Reusable Growing $38.89 Seed Starter Tray with Upgraded Grow Light + Raised Garden Bed (6X3X1Ft)Seed Starter Tray with Upgraded Grow Light + Raised Garden Bed (6X3X1Ft) $96.53
Seed Starter Tray Kit 12 Packs Seedling Starting Trays with Humidity Dome & BaseSeed Starter Tray Kit 12 Packs Seedling Starting Trays with Humidity Dome & Base $28.82 2 Packs 80 Cells Seed Starter Trays Kit with 4 Grow Light Seed Starter Kit Se.2 Packs 80 Cells Seed Starter Trays Kit with 4 Grow Light Seed Starter Kit Se. $51.99
Seed Starter Tray 5 Pack Seed Starter Kit with Grow Light and Humidity Dome ReusSeed Starter Tray 5 Pack Seed Starter Kit with Grow Light and Humidity Dome Reus $37.71 Shopled Led Grow Light 4Ft, Full Spectrum, 40W Plant Lights for Seed Starting,Shopled Led Grow Light 4Ft, Full Spectrum, 40W Plant Lights for Seed Starting, $88.08
$15.59 2ft Grow Light for Seed Starting, Led Grow Lamp for Iron Art 2 Feet2ft Grow Light for Seed Starting, Led Grow Lamp for Iron Art 2 Feet $86.57
Seed Starter Tray 5 Pack Seed Starter Kit with Grow Light and Green-60 CellsSeed Starter Tray 5 Pack Seed Starter Kit with Grow Light and Green-60 Cells $31.43 Led Grow Lights for Seed Starting - Germinate Seeds Fast 10x5 Red, Blue, WhiteLed Grow Lights for Seed Starting - Germinate Seeds Fast 10x5 Red, Blue, White $28.57
Illuminated 6 Pack Seed Starter Tray Kit: 120 Peat Pellets + 6 Seedling Trays wiIlluminated 6 Pack Seed Starter Tray Kit: 120 Peat Pellets + 6 Seedling Trays wi $28.74 NutraPonics Pro 5-Shelf Automatic Led Hydroponics Grow & Seed Starting SystemNutraPonics Pro 5-Shelf Automatic Led Hydroponics Grow & Seed Starting System $775.00
3-Set Strong Seed Starter Trays with 5" Humidity Domes for Seed Starting3-Set Strong Seed Starter Trays with 5" Humidity Domes for Seed Starting $49.16 wolezek Grow Lights for Seed Starting with Stand, 2ft T5 Full Spectrumwolezek Grow Lights for Seed Starting with Stand, 2ft T5 Full Spectrum $58.72
Seed Starter Tray Kit with Grow Light | 12 Flexible Pop-Out Cells Silicone Bo.Seed Starter Tray Kit with Grow Light | 12 Flexible Pop-Out Cells Silicone Bo. $32.38 Seed Starter Trays with Grow Lights, 48 Cells Seed Starter Kit with Lights, 3 LiSeed Starter Trays with Grow Lights, 48 Cells Seed Starter Kit with Lights, 3 Li $40.87
Seed Starter Tray Kit with Grow Lights, 1 Pack 40 Cells Seed Trays with HumiditySeed Starter Tray Kit with Grow Lights, 1 Pack 40 Cells Seed Trays with Humidity $56.69 Starter Tray with Grow Light, 12 Flexible Pop-Out Cells, Silicone Bottom, ReusabStarter Tray with Grow Light, 12 Flexible Pop-Out Cells, Silicone Bottom, Reusab $34.54
Seed Starter Kit with Grow Light - 80 Cells Tray for Indoor Planting - 2 PackSeed Starter Kit with Grow Light - 80 Cells Tray for Indoor Planting - 2 Pack $45.99 Phlizon 800 Led Grow Lights For Greenhouse Full Spectrum Samsung 281B for 6x6ftPhlizon 800 Led Grow Lights For Greenhouse Full Spectrum Samsung 281B for 6x6ft $439.58
640W Pro Foldable w/ Samsung281b Led Grow Lights Bar fixtures Plants Hydroponic640W Pro Foldable w/ Samsung281b Led Grow Lights Bar fixtures Plants Hydroponic $349.83 2 Sets Heated Seed Starter Tray with Led Grow Lights Seedling Heat Mat for2 Sets Heated Seed Starter Tray with Led Grow Lights Seedling Heat Mat for $88.09
Complete Indoor Grow Bundle - Lights, Ventilation, Nutrients, Tent, and More!Complete Indoor Grow Bundle - Lights, Ventilation, Nutrients, Tent, and More! $500.00 Seed Starter Tray with Grow Light 6 Packs Large Cells Seedling Starter Trays witSeed Starter Tray with Grow Light 6 Packs Large Cells Seedling Starter Trays wit $28.99
Plant Stand Rack with 2' or 4' Floro T5 Grow Light Garden Seed Jump Start SystemPlant Stand Rack with 2' or 4' Floro T5 Grow Light Garden Seed Jump Start System $34.95 to <!-F#f_0->T5 Grow Lights for Seed Starting, 16 in Long, 2-Count (10W X2) Full Spectrum LedT5 Grow Lights for Seed Starting, 16 in Long, 2-Count (10W X2) Full Spectrum Led $29.99
Led Grow Light 4Ft, Full Spectrum, 40W Plant Lights for Seed StartingLed Grow Light 4Ft, Full Spectrum, 40W Plant Lights for Seed Starting $89.61 Ylyycc Seed Starter Tray with Grow Light,40 Cells Seed Starter Kit with HumidtiyYlyycc Seed Starter Tray with Grow Light,40 Cells Seed Starter Kit with Humidtiy $40.48
Garden Center Hydroponics Seed Starter Tray 10-Pack Plant Trays w/Humidity DomesGarden Center Hydroponics Seed Starter Tray 10-Pack Plant Trays w/Humidity Domes $25.41 T5 Grow Lights for Seed Starting, 16 in Long, 2-Count (10W 2 Count (Pack of 1)T5 Grow Lights for Seed Starting, 16 in Long, 2-Count (10W 2 Count (Pack of 1) $33.65
SunBlaster Sl1600198 T5Ho Micro T5 Grow Light Garden for Seed Starting, BlackSunBlaster Sl1600198 T5Ho Micro T5 Grow Light Garden for Seed Starting, Black $43.69
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Prices current as of last update, 06/19/24 4:14am.

See also...
Grow Light, Grow Lights, Hydroponics & Seed Starting, Gardening & Plants
Grow Light Hps, Grow Lights, Hydroponics & Seed Starting, Gardening & Plants

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