photosynthetic response curve
LED grow lighting
now if it uses green, wouldn't the LED light shown above kill your plants ??
don't give up, just do more research
like incandescance vs sun and kelvin
kelvin & chemisrty, biology, physics
color spectrum, visible light, & the electromagnetic spectrum
phosphorous types, energy convertions, psychology of color
you've got your phosphorous down, i, personaly, would never trust you on the rest of your knowledge
for the last month i've been looking online most every day about lighting for aquariums, first i found the basic 2watts per gallon rule, and i looked farther and found spectums and looked farther and found tthere are no 2 lights alike, each supposedly same spectrum (based on kelvin) is quite different, but they appear the same, i looked farther and found the whole kelvin & watts-per-gallon rule are archaic and a bad judge, sure they were good 50 years ago (guessing the timeline), everyone kept mentioning there have been advances in aquarium lighting, and there are differences in aquarium lighting, and how each difference is at times just marketing to appear bright, to qualify for a kelvin color rating while the spectrum could be drastically different. still i looked farther
and the human eye is really sensitive in the middle of the spectrum, while plants not so much, there are guesses that this is evolutionary, if we look at insects they see more towards the UV spectrum, and can see things our eyes cannot on plants.
it gets really hard when all you want is to find out "how much light do i want", because i could find out the 2watts-per-gallon rule, then find out this is based on 3500k, T12 lighting, that advances in technology push the 2watts per gallon into archaic history, so then i search as to why, what's the difference. ... instead i find all kinds of information that says we can't trust the 2 watts per gallon rule anymore.
more complex formulas based on Lux & lumens based on the equatorial clear summer day at 120,000 lumens, then compaire the footprint of your tank with watts per gallon, multiply the lumens your light is putting out, ... wait lumens counts for what's visible to the human eye, so more research.
trying to find lighting, how much is enough, how much is too much (yes there is such a thing as too much) and these numbers are not consistant, what is "enough" for one plant will starve another and a third will burn
adding additional heat can improve the intensitiy the light is capable of handling, adding CO2 can improve it as well, and in all areas there is a "too much"
but don't stop there, figure out where this PAR and PUR is from, try to find some measure of how this is measured, ... that's a really good question, because the only people that seem to care about selling PAR are selling LED, floresent is selling Kelvin
LED & PAR don't really look at PUR because that can screw their sales as it relates to what the plant uses instead of just what the plant responds to
Florescent & kelvin try to avoid the actual spectrum, most significantly PAR values because they need sales, ... and it's really hard to sell a light the buyers can't see anything (see above pic)
but don't stop researching, don't ever think you have enough, because clearly you don't, you have kelvin and phosphores, but you don't have spectrum, you don't have photosynthetic action, responce, reflection. you don't seem to display that kelvin (according to the black body radiation) is literally never ever seen in any artificial light, and no creature on earth has a clear equal response right across the board.
how our theoretical Kelvin rating does not list a spectrum
and the color spectrum of our sun, a little yellow star is based on the photon emitions of a half-dozen elements who's individual spectrums are mapped and they are found to be consistant with simular stars in space, ... exactly one of the ways we measure what kind of star we are looking at in space (red-shift aside)
so please somewhere the specifics of what words you used or what words i used, ... i don't really care, from what your saying it just sounds like what you know is very surface without any deeper understanding of what makes up what your talking about.
so please, just do more research, just saying you've got a thick skull kinda is a statement of limitation, your only as limited as you let yourself become.
and yes, this got way off topic.