Hey again
@bonytang , thank you for your patience, I've had a rather busy last 24hrs but have been wanting to come answer this question for you as soon as I was able to sit down again.
Also thank you for that information and for letting us know a bit about your situation and letting us sense your excitement, and I am excited for you as well, I'd like to see what we are able to help you with in the near future and get this ball really rolling for you.
One quick question I have for you is, on the roleadro light or any light that that you are using with added UV diodes, did you remove the glass from the light fixture? If there is a way to, and if you havent, you'll want to figure out a way to get that removed from the light so that the UV light can penetrate into the leaf canopy, because glass blocks/shields UV light to a great extent, only a tiny percent is able to escape the glass and will probably cause the light fixture to run warmer than it should (I've got a uvb blurple light myself, and it def made a difference on mine).
So here recently in the last 2 years or so, the entire blurple light industry has been undergoing a transition/overhaul of what was once projected to be new plant lighting science and revolutionize the way we think plants absorb light, remember about a decade ago all that nonsense about plants only able to absorb and utilize certain parts of the spectrum most efficiently, and that blue and red light were like this newly found understanding of how plants grow and all that BS?
Well that turned out to be faulty scientific evidence that an entire industry backed up and then later reinforced with millions of light fixtures based on a misinterpreted understanding of the real science behind photosynthesis and how plants harvest the light that they are given.
What was lacking in the research that the scientists behind this put forth was the fact that photosynthesis isn't the only crucial portion of a plants growth in regards to lighting that was important, why? Because chlorophyll aren't the only cells found within a plants leaves that are able to harvest light, there are other synthesized proteins and molecules found within plant leaves/buds and stems that are able to harvest light, so you aren't only supporting the necessities of the plant itself, you are also supporting a network of cells and proteins that work in harmony to allow for the plant to harvest all forms of light more efficiently.
What myth was also included in this faulty science? The disproven notion that plants don't need green light and that plants reflect green light away because of the chlorophyll and the green in the leaves...... sounds pretty dumb doesn't it?
So what we are needing to help put into balance is how do we add lighting to your existing setup to help bring the spectrum back into a wide and robust range of the spectrum that is missing from the light fixtures that are currently being used.
When you look at any blurple light, you notice mostly pink: more reds than blue diodes typically being the reason, the problem is when the manufacturers mount all the diodes to the same fixture, they forget the age old rule of how light travels and how different wavelengths of light require different necessities to use them optimally, why? Because... well hey...plants say so, they can't just warp around how they are designed to absorb/harvest light just to accommodate to our liking, the processes that a plant changes through as it grows are set in stone, we accommodate to the plant and the supporting science behind it, not the other way around. (Blue and red diodes don't belong on the same fixture, unless blue can be dimmed separately, because it is one of the most reactive/radiant colors within the specrum, besides violet)
(Sorry I hope I don't sound like I'm ranting, I'm just trying to elaborate on my understanding of it and how I feel about it personally to some extent).
So with this being said, when we do add extra lighting to your existing setup we will have to raise your blurple lights a bit further away from the leaves that they are currently because the light spectrum that they are receiving now is going to be overlayed with extra photons in certain areas of the spectrum with possible peak light points within spectrum that may overwhelm the leaves if too much immersion on one area of the spectrum is received in various levels/portions of the light that the leaves collect.
What is missing from almost any blurple type of light? well it's quite easy to see really, green/yellow/orange/far red/NIR, the ones with the white diodes do cover a small portion of the extra spectrum that the red/blue lights are emitting but it really isn't enough to really give the plants enough photons for it to really take off.
This is where fluorescent lighting like T5's can be of benefit, they do offer relatively wide amount of spectrum from the various phosphor dust coating that they add to the insides of the bulb, while not very intense light the spectrum is there, and some UV light is released, even if they aren't reptile or horticultural UV bulbs. (UVA & UVB both increase/enhance photosynthesis)
If you want to stick with LED technology, I'd would probably look at something from HLG in the 4000k range, it would add much of the spectrum that is missing from the blurple you are currently using, I've heard good things about 4000k spectrum temp LEDs for both flower and veg, for flower just add a bit of red light to the mixture, kind of like you already are with the deep red bulbs that you have listed above. One thing I will also include in speaking of this exact spectrum, it also seems to work well for the CMH guys and in fluorescent bulbs also, 4000k is like a really bright cloudy day type of light, seems indoor plants really dig this spectrum range... even in flower.
LED lights run a bit cool also, and you could run the room a bit warmer if you wanted to by adding a heater, but if you want to know what I'm currently using in my setup is I've got a 40watt incandescent bulb running on each end, on the sides of the room closest to the incandescent bulbs are I've got the largest leaves coming out, also a deep dark green color on the leaves closest to the incandescent, this is because I'm harvesting far red/NIR/ IR light from the incandescent, and it may sound silly, but incandescent bulbs are just about the #1 source for IR on the cheap without having to get fancy, and plants don't need heavy doses of IR light anyhow, I'm going to run mine on a 6hr timer come next flower time, about 2 weeks from now I'll be starting a new flip/flower period in my own setup.
If you want dense/thick leaves, large leaves, and increased photosynthesis then you will want NIR(near infrared) and IR, and not just on the top of the plant either, plants benefit from these types of additional lighting from more of a side angle that penetrates to the stem of the plant and interior/inner leaves, you'll get healthier side growth this way and thicker stems also, especially if you supercrop right as the new branches begin to extend, just be cautious if you supercrop too often the tip that has the new growth can begin to have more tendency to weaken or snap as time goes on, best to have patience if you supercrop often.
All these points hint to the reasons why HID light often grow nice healthy buds and dense canopy, but what we have to figure out is how to utilise this into our grow rooms with newer LED tech, and I've found that LED tech has not developed quick enough to even keep up with an incandescent bulb in the NIR/IR regions of the spectrum, so I don't really recommend these forms of technology right away, that is until I see hard evidence otherwise, LED tech is just too narrow to capture and satisfy every photon need that plants currently get from other wider spectrum bulbs types incandescent & HID, LED is catching up but so far where led shines is within the visible spectrum and even then it takes nice blend of diodes types to even come anywhere near to real daylight/sunlight full spectrum that proves itself on a spectrum graph.
So there is a lot to be said, no short answer on this one, but if I were you I'd maybe stick with the LED tech you already have, add some form of extra white LEDs to your setup in the 3500-5000k range that have a decent reading on a graph that shows higher levels of the Blue/green/yellow/orange that you aren't getting with the blurples in high enough levels, just remember too much blue like 6500k for example will need more clearance above the canopy than say the 4000k diodes would need, because of higher energy/photon output per second etc.
I'd add some fluorescent, and if you aren't going with any form of HID, go ahead and get a couple-few incandescent bulbs in there as well, it really won't hurt nothing and if you need a bit of extra warmth in the tent, incandescent handles that job nicely while lights are on.
Anyhow that's about all I can think to mention for now, and I do appreciate you for taking the time to read this message, thank you friend, and have a good one til next time around. Piece out yall
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