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Offlinex7x_x7x
x7x, my problem child.
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best led colour for indoor growing?
    #23787746 - 10/31/16 08:12 AM (7 years, 2 months ago)

I'll need a LED light for growing ornamental plants in an apartment. Which is better, warm or white?


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carl_jung_in_lsd@yahoo.com

koh samui and oak ridge are my favourite strains


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OfflineMorel Guy
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Re: best led colour for indoor growing? [Re: x7x_x7x]
    #23787764 - 10/31/16 08:22 AM (7 years, 2 months ago)

Red & blue.  The best LED grow lights are hard on the naked eye.

Purple


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"in sterquiliniis invenitur in stercore invenitur"

In filth it will be found in dung it will be found


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Offlineimpaired420
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Re: best led colour for indoor growing? [Re: Morel Guy]
    #23787797 - 10/31/16 08:38 AM (7 years, 2 months ago)

Blue/red/orange with some UV of you can find one.


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"Our task must be to free ourselves...
By widening our circle of compassion,
To embrace all living creatures and the whole of nature and its beauty." -Albert Einstein


Offering salvia divinorum clones, leaf, and extracts for trades legal states.


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InvisibleDualWieldRake
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Re: best led colour for indoor growing? [Re: impaired420]
    #23788008 - 10/31/16 09:55 AM (7 years, 2 months ago)

red for growth (deep red is best for plants, but bright red leds make up for this in power efficiency)
blue of 450nm (royal blue) for improved photomorphogenesis, but no more than one sixth the amount of red (in micromoles)
green for added penetration of leaves (experimental, desirability of results may depend on cultivar and other growth conditions)

for just white light you will get a mix of colors, the exact mix will differ by manufacturer.
here are two examples;

looking at the warm white, this is really nice



less nice



warm white leds tend to be less efficient in power than the cool ones, how much less efficient i have no idea cause they all talk about lumens.


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OfflineMorel Guy
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Re: best led colour for indoor growing? [Re: DualWieldRake]
    #23788071 - 10/31/16 10:14 AM (7 years, 2 months ago)

Cheapest is a mars hydro.  Kind and black dog are more expensive and very quality.  Yet to see plant led lights on the shelves of local hardware stores.


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"in sterquiliniis invenitur in stercore invenitur"

In filth it will be found in dung it will be found


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Invisibledurian_2008
Cornucopian Eating an Elephant
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Re: best led colour for indoor growing? [Re: Morel Guy]
    #23798134 - 11/03/16 03:46 PM (7 years, 2 months ago)

Different colors of light are used for different stages of growth, in the plant's life cycle. For instance, establishing roots, leaves, or fruiting.

Also, the length of time (photoperiod), is adjusted, to make annual plants believe there is a change in season, as day length changes, naturally.


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OfflineMorel Guy
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Re: best led colour for indoor growing? [Re: durian_2008]
    #23798289 - 11/03/16 04:32 PM (7 years, 2 months ago)

LED is not very pleasant to be in a room with.  Very hard on the eyes.


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"in sterquiliniis invenitur in stercore invenitur"

In filth it will be found in dung it will be found


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