400W LED light too big?

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CookieAus

New Member
I'm putting the final touches on a cab ive made out of an old fridge, and have roughly 3sq.ft of grow space and can go to a height of about 5ft away from my plants. Is a full spectrum 400W LED set up too much? (I jumped the gun and got the lights before the cab)
 
Boatguy

Boatguy

Well-Known Member
CookieAus said:
I'm putting the final touches on a cab ive made out of an old fridge, and have roughly 3sq.ft of grow space and can go to a height of about 5ft away from my plants. Is a full spectrum 400W LED set up too much? (I jumped the gun and got the lights before the cab)
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That must be a tall skinny fridge. How many actual watts is the led?
 
C

CookieAus

New Member
Shit I've just read the actual details, its 600w

Product Info:
Size: 6.7*15.7*2.36inch (17*40*6cm)
Weight: 4.85 lbs
LED chips: 10W Double Chips Leds * 60PCS
Work wide Voltage: From 85V to 265V all can be used.
Frequency: 50/60 HZ
Certificates: CE, ROHS, FCC
Lighting Coverage: Core Coverage at 24" Height 2x2ft, Max Coverage at 24" Height 3x3ft
Most useful coverage: At 24" Height

Being in Aus Im only assuming my sq. Ft measurements are correct. Itd be maybe 2ft x 2ft at most.
 
Frank Nitty

Frank Nitty

Well-Known Member
CookieAus said:
Shit I've just read the actual details, its 600w

Product Info:
Size: 6.7*15.7*2.36inch (17*40*6cm)
Weight: 4.85 lbs
LED chips: 10W Double Chips Leds * 60PCS
Work wide Voltage: From 85V to 265V all can be used.
Frequency: 50/60 HZ
Certificates: CE, ROHS, FCC
Lighting Coverage: Core Coverage at 24" Height 2x2ft, Max Coverage at 24" Height 3x3ft
Most useful coverage: At 24" Height

Being in Aus Im only assuming my sq. Ft measurements are correct. Itd be maybe 2ft x 2ft at most.
Click to expand...
Its going to be hotter than hell in there!!!
 
C

CookieAus

New Member
Not too bright? Its my first crack at growing inside, normally its always been out in the sun. With a new puppy that likes gardening, Ive had to change things up.
 
Frank Nitty

Frank Nitty

Well-Known Member
CookieAus said:
Not too bright? Its my first crack at growing inside, normally its always been out in the sun. With a new puppy that likes gardening, Ive had to change things up.
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Can you dim the light? What you really need to worry about is air circulation!!! Remember that the fridge is airtight...
 
C

CookieAus

New Member
Cant dim it unfortunately, I can always order a smaller one though. Air circulation will be a 6in fan at the top with two 6in inlets at the bottom of the fridge. I don't have to make it stealth as such, I just chose a fridge because I thought itd be cool and I wanted to see if I could make something that would work.
 
Frank Nitty

Frank Nitty

Well-Known Member
CookieAus said:
Cant dim it unfortunately, I can always order a smaller one though. Air circulation will be a 6in fan at the top with two 6in inlets at the bottom of the fridge. I don't have to make it stealth as such, I just chose a fridge because I thought itd be cool and I wanted to see if I could make something that would work.
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There are a few people who are using them on this thread... I'll get back to you...
 
G

gpsanjeev

Member
the actual wattage of that light should be way less than 400watts. If it has 60 diodes, iI am guessing should be around 120actual Watts. This should be perfect for your grow space.
 
Olive Drab Green

Olive Drab Green

Well-Known Member
Frank Nitty said:
Can you dim the light? What you really need to worry about is air circulation!!! Remember that the fridge is airtight...
Click to expand...
He could open the fridge up and shoot holes through the back of it with a .22 or 9mm or some other small bitchass caliber round like that. Being mindful to remove the compressor first. Carefully.
 
Frank Nitty

Frank Nitty

Well-Known Member
Olive Drab Green said:
Potentially even smaller for a fridge. I think the 100w doesn’t require a heat sink. Maybe the one below that. In any case, QB, for sure. They come in 3500k? If I’d have known that, I’d have picked that over 3000k.
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On hlg you have to look for individual boards... I think cobkits has them as well...
 
Frank Nitty

Frank Nitty

Well-Known Member
Olive Drab Green said:
Potentially even smaller for a fridge. I think the 100w doesn’t require a heat sink. Maybe the one below that. In any case, QB, for sure. They come in 3500k? If I’d have known that, I’d have picked that over 3000k.
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I have a qb 100 in my 2x2x3 tent... Before that I had a qb288 135w in there...
 
Boatguy

Boatguy

Well-Known Member
Olive Drab Green said:
Potentially even smaller for a fridge. I think the 100w doesn’t require a heat sink. Maybe the one below that. In any case, QB, for sure. They come in 3500k? If I’d have known that, I’d have picked that over 3000k.
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My mini fridge has close to the same footprint, but only half the height he has.
I have a 75w of cobs overhead and 20w of strips on the sides and struggle to keep temps down. With exhaust running full time temps are in the low 80's.
So i would guess 100 to 150w would be doable here, with the right amount of air exchange.

Since you already have that 600, just throw it in there and see what kind of temps you get. It may actually only draw around 100w.
 
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