Anyone used these LED lights?

[Nexogen]

I grow orchids in terrariums and use only LED light.
After I did some research (what and how) about the spectra of light necessary for plant growth I have built my own LED lights. I disassembled the old lights with T5 HO and I mounted radiators, LED, fans, etc inside of the old appliance.
LED light is used because we want to be more efficient in energy consumption and IMO CXB3590 for orchid growers is not a good solution (is more cheaper to use BRIDGELUX Décor Series). CXB3590 is very strong and is suitable for farms of different plants.
It is more effective to mount lighting at the smallest possible distance to save space and electricity. If you want to have a very efficient light, first you have to keep in mind Chlorophyll photosynthetic action and absorption spectra.

I use white 3000K CRI 97 LED mixed with 430nm, 450nm, 470nm, 660nm and 730nm.

[Nexogen]

I replaced the T5 HO 240W and use 110W LED with better results.

In relation to your question; I think the blue and red LED light is good, the problem will be the color of light radiated. Get one and tests on some plants.

[katrina]

Nexogen - I appreciate the response. I'm not comfortable doing the DIY w/lighting so that's out for me.

You say 110 watt LED? I've never seen an LED at that wattage...is that actual or equivalent?

Also, I looked at every 4 foot tube (T8 &5) bi-pins I could find and all of them had the wrong spectrum...all being 4000k. Some were in the 2000 lumen output but I'm thinking I still need to pay attention to K factor and I'm used to working w/a 5000-6500 K bulb..."daylight" level. Wouldn't that K factor still be important when working w/the white LEDs? Anyone?

[Nexogen]

110 Watt is actual power consumption.
K (color temperature of the light source) is not important for a plant, PAR (photosynthetic active radiation) is important.
I used 3000K 97 CRI LED as an important part of the spectrum emitted is useful for plant and most importantly; visual light is reasonable for the human eye. The spectrum of light very important for photosynthesis is not good for the human eye. I mean you have to wear special glasses that you can look at a plant.

I grow plants in terrariums and I built lights dedicated to what I need. In your case you have to try a few combinations. Try a few plants and see what conclusions can you get then extended to all plants.

[Nexogen]

Here in pictures are two lights built of me.
The third one I will publish later, is in the bedroom and my wife sleeping.

Actually LED drivers are dimmable, I adjusted current according to the plants.

[Nexogen]

to be considered when using LED temperature; all specifications are for 25 degree Celsius. If you want to use LED for a long period of time should not exceed 40 degree Celsius

I'm not saying that Chinese products are good but worth a try, here is a cool lamp.

1X E27 54W Full Spectrum 12Red+6Blue 660nm 460nm 630nm 430nm For flowering 3 Years Warranty-in Grow Lights from Lights & Lighting on Aliexpress.com | Alibaba Group

---------- Post added at 09:29 AM ---------- Previous post was at 08:43 AM ----------

It's just an opinion, you can do what you think:
Depending on the space that you have available you can try LED Grow Light Bar installed in the old fixtures.
Enter and search in Aliexpress LED Grow Light Bar. I bought on Aliexpress and disappointment rate was 10%.

A very good producer was LED Grow Light Systems by BML Horticulture. I do not know if kept up with Chinese products.

[Nexogen]

Finally; Third terrarium ...

[Jacob Reitsma]

Interesting Nexogen!

But now did you find out that " Chlorophyll photosynthetic action and absorption spectra"?
I just started to make my own grow box and right now I am trying to find the right LED to make a nice fixture. Why do you think the cxb3590 is not good? It can also be driven softer when it's to strong or is that still not good?

How does your light look when it's on? Is it nice white or is it red and blue? How many lumen do you produce and what is the size of your grow box?

I hope you can help me a little further 😎

[Ray]

Don't put too much on that graph. Plants use the entire visible spectrum, and some outside of it, as well. There is more going on that just "chlorophyll absorption."

[Nexogen]

cxb3590 is very good. I was misunderstood; cxb3590 is very strong for my application.
If you search on Google " Chlorophyll photosynthetic action and absorption spectra " you can find many graphics.
Because white COB LED does not emit the entire PAR I used white mixed with what is required to complete PAR. Light emitted by my mix is acceptable to the human eye. You can manipulate the plant from the colors used.
I have three terrarium; two 24”X24”X24” and one 36”X24”X24” Length x Height x Wide