Full spectrum 18w T8 led grow light for plant growth , flower and vegetable

18w T8 led full spectrum grow light for plant growth,flower and vegetable.

Different wavelength effect to plant's growth:

315 ~ 400nnm: Chlorophyll absorb less impact photoperiod effect, prevent stem elongation

400 ~ 520nm (blue): The proportion of chlorophyll and carotenoid absorption maximum, the greatest impact on photosynthesis

520 ~ 610nm: Pigment absorption rate is not high

610 ~ 720nm (red) : Chlorophyll absorption rate is low, has a significant influence on photosynthesis and photoperiod effect

720 ~ 1000nm: Absorption rate is low, stimulation of cell elongation, affect flowering and seed germination

> 1000nm: Converted into heat

Applications:

Widely used in the greenhouses to promote the growth of vegetables, fruits, flowers, plants, crops etc, which can improve seeds to get a jump start on spring plantings, and enhance the budding and flowering stage.

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FQA:
Q1: What is the Warranty for the tubes?
A1: For the tubes,we have 5 years warranty.If any quality problems on our side occured in this period ,we will take on the shipping cost and replacement.
Q2: What is colour temperature?
A2: Ervan's LED Lighting offer lamps in warm, natural,pure and cool white with colour temperatures measured in Kelvin (K). The lower the colour temperature is, the warmer the light given by the LED:
Warm white = 2850-3050k
Natural white = 3800-4200k
Pure white = 4700-5250k
Cool white = 6200-6800k
Q3: What is CRI?
A3: CRI is a figure which feedback the real objects colors.Higher CRI with higher cost.For LED tubes,the CRI is mostly 70-75Ra,and 80Ra with higher cost.
Q4: Why does my LED tube not work properly in extreme temperatures?
A4: Any temperature below 14 F or above 122 F may cause a LED bulb to flicker, dim, change color, or cease to function. Once the LED bulb is returned to an operational environment it should began to work properly.
Q5:Is there cheap shipping cost to import to our country?
A5: For small order,express will be best.And for bulk order,sea ship way is best but take much time.
For urgent orders,we suggest via air to airport plus our ship partner send to your door.
Q6:Can we get support if we have our own market position?
A6: Please inform us your detailed mind on your market demand,we will discuss and propose helpful suggestion for you,to find the best solution for you
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Established in 2007, Bellaid lighting specializes in R&D, production and sales of LED related products, Our LED Lighting can now be used for any lighting application and all our LED Lighting products are made using fine quality LED lighting components and technology.