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Thread: Purple light VS Sunlike light

  1. #21

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    Green light IS photo active. Its a myth to say it isnt. Remove green light from a 600w hps bulb and you will only have around 300w left.

    Why are white leds so more impactful than blurple? Green light

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  3. #22

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    Quote Originally Posted by hotshot View Post
    What you mean by 80%, of the visible spectrum is mission? Mission from LED, or HPS?
    Missing from hps hotshot mate

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    Quote Originally Posted by gardro View Post
    Missing from hps hotshot mate
    Hoping you would say that, but with 6PAR per watt, I don't see how that statement would be true. As I under stand A 250W would have 1,500 par at A certain height, so with that being said, the best range is 900 to 1,000 PAR at 12" center I think. If this sounds wrong, then please inlightenme Please.

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    Quote Originally Posted by hotshot View Post
    Hoping you would say that, but with 6PAR per watt, I don't see how that statement would be true. As I under stand A 250W would have 1,500 par at A certain height, so with that being said, the best range is 900 to 1,000 PAR at 12" center I think. If this sounds wrong, then please inlightenme Please.
    Hi mate, spectrum ( colour) has nothing to do with watts ( power)

    You can have 100w of red, 100w of blue or 100w of mixed etc

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    Quote Originally Posted by gardro View Post
    Hi mate, spectrum ( colour) has nothing to do with watts ( power)

    You can have 100w of red, 100w of blue or 100w of mixed etc
    Well then 100W of HPS would have 600 PAR color? Is this not correct?

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    Quote Originally Posted by gardro View Post
    Green light IS photo active. Its a myth to say it isnt. Remove green light from a 600w hps bulb and you will only have around 300w left.

    Why are white leds so more impactful than blurple? Green light
    I know the answer to this one, but don't know what the science is all about it though. White Light will grow bigger and better buds, the only set back, is it cuts down A small amount of the over all THC that is produce with the Red light that is added for such that reason.

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  13. #27

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    Quote Originally Posted by hotshot View Post
    Well then 100W of HPS would have 600 PAR color? Is this not correct?
    PAR is photosynthetic active radiation

    Any colour of light between 400nm and 700nm will add together and will be picked up by a PAR meter.

    It doesnt matter which colour, it still makes PAR

    I would say 100w hps will produce 100 PAR (umol per second is the unit)

    This is why PAR number isnt very helpful. You need to know the PAR for every colour ideally.

    HPS makes good PAR but is very low in blues and some reds

    Look at your bloombuster light. Its all red but make some big ass flowers

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    Quote Originally Posted by gardro View Post
    PAR is photosynthetic active radiation

    Any colour of light between 400nm and 700nm will add together and will be picked up by a PAR meter.

    It doesnt matter which colour, it still makes PAR

    I would say 100w hps will produce 100 PAR (umol per second is the unit)

    This is why PAR number isnt very helpful. You need to know the PAR for every colour ideally.

    HPS makes good PAR but is very low in blues and some reds

    Look at your bloombuster light. Its all red but make some big ass flowers
    Science is very confussion to me. I read lots of stuff, and don't ever really have A good understanding of it all, I just know like you say, Red will grow faster and bigger than any other color. But My Bloom Buster does have about 8 blue lights in it I think , and Four UV lights with the rest being all RED. It all drives me nuts some times. Most of my only real knogledge is just from trial and error. lol
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    Last edited by hotshot; 30-08-19 at 05:19 PM.

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  17. #29

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    Quote Originally Posted by hotshot View Post
    Science is very confussion to me. I read lots of stuff, and don't ever really have A good understanding of it all, I just know like you say, Red will grow faster and bigger than any other color. But My Bloom Buster does have about 8 blue lights in it I think , and two UV lights with the rest being all RED. It all drives me nuts some times. Most of my only real knogledge is just from trial and error. lol
    I think you got a very good understanding to be honest

    Spectrum is for fine tuning, research and development. While white leds are so efficient, why bother with other colours (that will cost more too)

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    Quote Originally Posted by gardro View Post
    I think you got a very good understanding to be honest

    Spectrum is for fine tuning, research and development. While white leds are so efficient, why bother with other colours (that will cost more too)
    Well couldn't say the same about MH Lighting? It does also grow bigger Buds, and the down fall on small amount of THC lost couldn't be much you would think, Not real sure though.

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  21. #31

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    Quote Originally Posted by hotshot View Post
    Well couldn't say the same about MH Lighting? It does also grow bigger Buds, and the down fall on small amount of THC lost couldn't be much you would think, Not real sure though.
    The interesting thing about MH is the low PAR. It gives off roughly half PAR for each watt compared to HPS. This is what puts people off using in flower.

    THC is said to be better with MH imo

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  23. #32

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    Quote Originally Posted by gardro View Post
    The interesting thing about MH is the low PAR. It gives off roughly half PAR for each watt compared to HPS. This is what puts people off using in flower.

    THC is said to be better with MH imo
    I must have read it backwards, I always thought it lost somewhere between 1 to 3%. But with all these High THC strains, I'm sure we wouldn't even miss that much, I mean really with 20+ THC strains, down to 18+ I don't think you would know much difference. I know any weed with 15% and up intends to fuck me up nicely. So if it is the other way, Why do we by all the high dollar HPS bulbs, and not just use the MH through the whole grow?

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  25. #33

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    Quote Originally Posted by hotshot View Post
    I must have read it backwards, I always thought it lost somewhere between 1 to 3%. But with all these High THC strains, I'm sure we wouldn't even miss that much, I mean really with 20+ THC strains, down to 18+ I don't think you would know much difference. I know any weed with 15% and up intends to fuck me up nicely. So if it is the other way, Why do we by all the high dollar HPS bulbs, and not just use the MH through the whole grow?
    High dollar HPS because PAR per watt is much higher than MH, nearly twice as much

    Grow 2 plants

    One 600w hps
    One 1200w mh

    There wont be too much difference in yield

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