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How much lux is bad lux......

  • Thread starter Thread starter GreatWhiteShart
  • Start date Start date Aug 13, 2020
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How much lux is bad lux......

GreatWhiteShart Aug 13, 2020 14 Replies 6,005 Views
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GreatWhiteShart

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#1
how much are you guys hitting at canopy?
I usually run about 13 to 15 inches off.
Got a tsw2000 (100k), its way brighter then my phytomax 2(56k)

I guess if you are not enriching with co2, what is your target light strength?
 

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Nate_in_AK

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#2
If your plants spontaneously ignite, its' time to turn the lights down.
 
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GreatWhiteShart

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#3
Lmao
 

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Aqua Man

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#4
Seedling 10k
Veg 15-45k 18/6 light cycle
Flower 45-65k
Start at the low end and work up. Some can handle a bit more.
 
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GreatWhiteShart

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#5
Aqua you co2 enrich?
 
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Aqua Man

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#6
GreatWhiteShart said:
Aqua you co2 enrich?
Click to expand...
Yes but that's without
 
Last edited: Aug 13, 2020
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GreatWhiteShart

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#7
I want to use co2
Just can't imagine those co2 bags do that much!
And i think you need a controller right?
Aqua Man said:
Yes bit that's without
Click to expand...
 
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Aqua Man

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#8
GreatWhiteShart said:
I want to use co2
Just can't imagine those co2 bags do that much!
And i think you need a controller right?
Click to expand...
IMO for CO2 you want to have full environmental control Ina sealed room. Which means ideally controllers, AC, heat, dehumidifier, humidifier. And depending on space there are options for CO2.
 
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NewWorld

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#9
Not sure about lux. Most youtube experts measure in PAR, for best results between 600 and 1000 PAR is optimal without CO2. But 400 PAR is fine. You can go up to 2000 and beyond PAR, but you'll need to supplement CO2, along with aminos and much higher amount of nutes.
 

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Nate_in_AK

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#10
NewWorld said:
Not sure about lux. Most youtube experts measure in PAR, for best results between 600 and 1000 PAR is optimal without CO2. But 400 PAR is fine. You can go up to 2000 and beyond PAR, but you'll need to supplement CO2, along with aminos and much higher amount of nutes.
Click to expand...
PAR meters are expensive. Most smartphones can measure LUX with a free or cheap app.
 
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NewWorld

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#11
Nate_in_AK said:
PAR meters are expensive. Most smartphones can measure LUX with a free or cheap app.
Click to expand...
Migro in one of his videos shows you how to roughly convert. Everything i know about lighting either came from him or Harley Smith. Waste hours watching their videos.
PS I'm now rocking that LUX app it's addictive
 
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jamk911

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#12
Isnt lux just a measure of visible light.. not the spectrum the plants truely use?
 
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GreatWhiteShart

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#13
Lux is a down and dirty way to check light intensity.
As far as what light is usable by the plant, you should already know what spectrum your light puts out when you build/buy it!
 
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firetreez12

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#14
Aqua Man said:
Seedling 10k
Veg 15-45k 18/6 light cycle
Flower 45-65k
Start at the low end and work up. Some can handle a bit more.
Click to expand...
What ec/ppm for nutrients do you recommend with co2 enriched rooms?
 
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Aqua Man

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#15
firetreez12 said:
What ec/ppm for nutrients do you recommend with co2 enriched rooms?
Click to expand...
Around 100-200ppm higher IME but always go by the plants.
 
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Thread info

Replies 14
Views 6,005
Started Aug 13, 2020
Latest post Jan 28, 2021
Starter GreatWhiteShart
Forum Hydroponics

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