Study: LED Superior to HPS for Cut Gerbera Production

Cold$moke · Nov 20, 2014

I did just not with new nice leds
mine was old school 90w ufo

SupraSPL · Nov 20, 2014

WestDenverPioneer said:
It doesn't take less PAR to get the job done.

If what you say is true, that means HPS does not suffer reflector losses. I argue that they suffer 25% reflector losses no matter how fancy the reflector. Also, the photons have to pass through glass, clean or dirty, they get taxed again ~10%

Sow to Grow · Nov 20, 2014

SupraSPL said:
I argue that they suffer 25% reflector losses no matter how fancy the reflector. Also, the photons have to pass through glass, clean or dirty, they get taxed again ~10%

Everything gets dirty. This guy built an industrial washing machine to clean HID reflectors. Go to 4m 40seconds to see the interviewer race the machine.

SupraSPL · Nov 20, 2014

Yes I agree the COBs surfaces can get dirty. But because they are facing downward, dust will not settle on them. I used to run my HPS with no glass and they still did not perform very well for me compared to LED.

skeletor421 · Nov 20, 2014

WestDenverPioneer said:
and I love to build anything
Being in commercial construction I sometimes have access to cool materials like lots of aluminum and steel wire ect

I made a led case out of 6065 aluminum. yes I am dumb and bought aluminum because it was called aircraft aluminum and that sounds cool. yes I tried to cold work it and when it sheared the sound broke my ears. live and learn

Cold$moke · Nov 20, 2014

Lol @skeletor421
nah aluminum is a major part of my trade

so can your diy light beat a 1k for yields?

skeletor421 · Nov 20, 2014

Cold$moke said:
Lol @skeletor421
nah aluminum is a major part of my trade

so can your diy light beat a 1k for yields?

hell yes. these high power leds are the future

starcraftguy1988 · Nov 21, 2014

ScrappyD said:
this may be a weird question but can you mix the two? Say a 400w HPS on top and 2 150w LED panels on the sides? And would the difference from the added LED panels be worth the price?

I can answer this question, As i have Run, a 330 phillips allstart ceramic mh and On either side i ran 1 a51 sgs160, 2 Led panels and one hid in the middle results were phenomenal but just watch the heights of the leds as always.

Cold$moke · Nov 21, 2014

skeletor421 said:
hell yes. these high power leds are the future

Well shit man can you pm me some sites

skeletor421 · Nov 21, 2014

Cold$moke said:
Well shit man can you pm me some sites

i got everything from amazon or ebay. just look up high power leds, and go from there. the most simple design would be to take 2 of these

http://www.amazon.com/Lemonbest®-150W-Power-Supply-Lighting/dp/B00DR8V8DA/ref=sr_1_7?s=hi&ie=UTF8&qid=1416558629&sr=1-7&keywords=led power supply

and hook them up to one warm

http://www.amazon.com/LOHAS-White-Power-Energy-Saving/dp/B00CZ6QDDU/ref=sr_1_13?s=hi&ie=UTF8&qid=1415626121&sr=1-13&keywords=100 watt led#Ask

and one cold

http://www.amazon.com/LOHAS®-White-Power-Energy-Saving/dp/B00CZ75TWA/ref=sr_1_3?ie=UTF8&qid=1416558858&sr=8-3&keywords=high power led

use a generic cpu heatsink with a fan mounted on it. apply thermal paste to back of led and secure to face of heatsink. solder connections to the power supply. mine is similar but instead of a fancy powersupply I used a transformer, a rectifier, and some resistors (they were laying around)

Shishkabob Marley · Nov 21, 2014

Sow to Grow said:
Can you direct me to these latest studies? I'd like to understand what you mean by brightness.

Interesting read, was used as a source from a high times article comparing LED to HPS.

Study: LED Superior to HPS for Cut Gerbera Production

Cold$moke

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SupraSPL

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Sow to Grow

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SupraSPL

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skeletor421

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Cold$moke

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skeletor421

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starcraftguy1988

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Cold$moke

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skeletor421

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