Been watching him… didn’t quite understand if it was a difference in the photo boost lights or the boards you were talking about but thanks for the direction
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Photo boost strips are his (pacific light concepts). There’s plenty of other 560mm led modules available that you could build similar light with. But the voltage and current ratings for all of them are different. So, if go with different strips you would likely need different drivers and/or maybe more or less strips. I can help with that if you see something else you would rather use.
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At 800-1000ppm you don’t use really
That much. I mean as far as cost. Lights way lower. Ac running less. Ppfd above 1500 requires temps to stay under 77. My room fluctuates too much to do it. And I’m. Not sure the effort is worth it. Pushing transpiration, osmosis and photosynthesis are the only goals. Lots of ways to do it.
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It will if you wire boards in parallel like picture
and have voltage adjusted high enough.
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@dbrn32 question how is it that my big lights use a hlg 600 54b power rspec 288 x 4 to over 600 watts and your only running 120 240 and 320 1 2 or 3 board seems like a 4th board would only use 480 ish watts how does that driver manage to crank them up so much higher then if you continued the way the picture above shows … or am I just mixing apple with potatoes 288 is diff then 288 rspecs?
My light is just 4 288 rspec boards and the
Hlg 600 54b and … do you have input voltage graph for 288 rspec off hand …I’m look for it in the mean time 
For one, just because model is 120 or 240 doesn’t mean they are only 120 or 240 watt drivers. But to answer your question, drivers have different output current and work differently.
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Didn’t know you could run them at 480 watts. For 4 and I can run 4 at 600 watts… on a bigger driver is 600 range maxing them out way more then a 480 54
It’s still shy of max current, but close. Also running less efficiently at that amount of power. Just different strokes for different folks is all.
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I remember you telling me they are only gonna take what they can handle in series … and also 120watts to 150 watts per board what in the the light being more watts obviously is different by running 4 on a 480 or 4 on a 600 does the 600 put out alot more light but then efficiency goes down?
Just because the part number is 120 doesn’t mean its a 120 watt driver lol, that’s what I’m trying to tell you. My hlg-120 is 150 watt nameplate, and is actually even a little higher than that.
Higher current is going to be more light but less efficient. In short, more watts = less light per watt. How much depends on difference in current and temps.
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Would greengenes garden photo boost build be enough light to run co2 in a 4x4 tent
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It’s big enough thst you could, no so big you have to.
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What would happen if you ran a portable ac unit in your tent to help with Temps wouldn’t that make it easier ?
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I don’t think he’s growing in tent, more like a room. And I’m pretty sure it has a/c. You would have to scroll a lot to find, but there are pics in this topic somewhere. It’s pretty impressive setup.
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An ac unit will help yes. But the transpiration involved to get 1-3lbs a plant it lots of heat and humidity and dehuey heat grow that humidity plus the light heat. I have 2 ac units. 2 dehueys. 3 humidifiers. Add in all the gallons of soil, pressure from CO2 is too much. I plan to keep it at 1400ppfd, 1000ppm and under 78degrees.
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And as you can see if you push it you get mag deficiency and heat damage. Its tough on leaves. And some strains can’t handle it at all and larf out or hermie. Better to set temp at 75 it will rise to 77 kick on continue to rise to 80 before getting back to 75 again. Humidity will be less with the dehumidifiers up in the air not on the floor. Suck water from the transpiration not the soil. As always my favorite grow is the next grow. Adding UV a 2nd large dehuey. Going all purple strains they seem to love the room the most.
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@dbrn32 its me again… 
found a light and I want your approval before I buy it… I just hope I’m looking at it right can you say if it’s dbern32 approved thinking 2 in a 8x8 and 1 in the 4x4
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