2000 3000 lumens per bulb in a shop light fixture is the output needed to keep seedlings from becoming leggy and stressed from too little light.
5000k led bulb for growing.
About 90 of the light and electricity used by those bulbs will be wasted because it s not the spectrum of light the plants needs.
Those cfl bulbs are just really kind of weak in intensity and you ll need an awful lot more of them to cover much of an area over 2 x2.
The color temperature of daylight can vary depending on time of day part of year and cloudiness.
Photosynthesis is the basis for plant development and uses multiple pigments within a plant to absorb light.
Feit electric led grow lights have a long life span of 25 000 hours.
Overall you ll just be running up your electric bill for the most minimal results from your plants.
I wouldn t use 4000k or 5000k bulbs for veg and especially not for flowering.
5200 6000k is the color temperature used mostly in photography and film for true white light sunlight at noon.
3000k 4000k warm led spectrums happen to have an ideal amount of blue light and a good amount of yellow light for growth power.
Even if you had three 800 lumen bulbs side by side i d be concerned that the total irradiance would be too little to keep the plants happy.
Some people will use those 4 bulb 4 fixtures and put 2 or 3 6500k and 1 or 2 4500 k fluorescent bulbs in them for a broader spectrum.
During mid day hours direct sunlight will have a color temperature over 5000k and daylight including the entire blue sky will have a color temperature closer to 6500k.
Leds being monochromatic sources and being available in wide range of pure colors are the only light sources that can be tailored to give right spectrum do wonderful things for plant growth.
Different types of grow lights while there are a number of different kinds of grow lights out there broadly speaking you can categorize all of them under the following three categories.
Led grow lights depot 356 739 views 12 51 purchasing led or fluorescent grow lights kelvin lumen scales.
Go any lower to 1000k and the blue light will drop below what is good for plants.
Plants grow quicker and healthier than under other.
5000 6500k is suppoed to be the ideal temperature.
Grow lights are a little more expensive when compared to regular led light bulbs but that is because they are meant for this specific purpose of growing plants.
As such you will find that the color appearance of a 4000k led bulb is similar to natural sunlight during morning or afternoon hours.
Even though red and infrared are mostly left out it s a decent growth spectrum.
Starting vegetables seeds indoors duration.