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Old 01-13-2021, 07:40 PM #1
ledtime
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Talking Kingbrite W55 Bar Light Test

Hey All!

Last year I set on a mission to find a light that will really shine in a 4x4 area without having to set my wallet on fire. There is no question that the Chilled, Gavita, & Fluence lights fit the bill. But they are all about $1k+ each.

I learned a lot from our DIY'ers here and they have made some cool lights. Through them I learned of Kingbrite on Alibaba. They have a 600W - 5 Bar - LED light here: https://www.alibaba.com/product-deta...163ace85lHj0jx

I purchased this light. I ran a grow through with it and yielded 30oz from my 4x4 even with a light leak and two hermie plants. Done in coco with a DTW system using Advanced Nutrients PH Perfect.

Yesterday I finally received my Apogee SQ-520 quantum sensor so that I could really test this baby out. Here is my PPFD map for the light. I only did the measurement to keep the PPFD at 1k or under as I don't supplement with CO2. I'm pretty amazed with it. Running it at 600W at 14" from the canopy, these are it's measurements:


Can I get a high five? That's an amazing PPFD map for a light that is $600 delivered to your door. Customer service from Vivi at Kingbrite has been amazing.

I see a ton of questions about lights, but nobody has really reviewed their bar lights. I'm very impressed. Great quality finned heat sinks, Meanwell driver. Samsung LM301H diodes (top bin) and Cree 660nm red diodes.

Questions welcomed if you have any. Just thought I would share.
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Old 01-13-2021, 08:11 PM #2
susantidad
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susantidad will become famous soon enoughsusantidad will become famous soon enough
hi,

I use Kingbrite cobs since 2017 and works amazing.. also super customer service everytime

Recently I bougth some Qbars 3000k uv/reds and after two weeks using them seems legit too.

In my experience is easy get more than g/w with this ligth setups

regards.
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Old 01-13-2021, 08:50 PM #3
zachrockbadenof
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i'm looking at their 240's - i'm figuring '2' of em should be enough for my 4x3.5tent - and i'm hoping that the delivered price will be well under 600bucks, and thinking that '2' smaller units mite give me a better light distribution....

i'm using '2' 315 cmh's , and the room gets way toooo hot... even in the winter
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Old 01-13-2021, 11:39 PM #4
ledtime
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Quote:
Originally Posted by zachrockbadenof View Post
i'm looking at their 240's - i'm figuring '2' of em should be enough for my 4x3.5tent - and i'm hoping that the delivered price will be well under 600bucks, and thinking that '2' smaller units mite give me a better light distribution....

i'm using '2' 315 cmh's , and the room gets way toooo hot... even in the winter
You are referring to their quantum board light at 240W? I have no experience with their version. I would think you would want two of those though as the light distribution to the edges suffers on those panels. That's why I went with the bar light. I get full coverage and it's still strong in the corners. Those QB lights fall off the cliff at the edges with regards to PPFD.
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Old 01-13-2021, 11:40 PM #5
ledtime
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Quote:
Originally Posted by zachrockbadenof View Post
i'm looking at their 240's - i'm figuring '2' of em should be enough for my 4x3.5tent - and i'm hoping that the delivered price will be well under 600bucks, and thinking that '2' smaller units mite give me a better light distribution....

i'm using '2' 315 cmh's , and the room gets way toooo hot... even in the winter
Also, if at all possible you should vent the tent outside the room. I vent mine into the attic. Before doing that my temps were higher. Now my tent temp is usually within a degree or two of my room ambient temp.
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Old 01-13-2021, 11:51 PM #6
zachrockbadenof
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Quote:
Originally Posted by ledtime View Post
Also, if at all possible you should vent the tent outside the room. I vent mine into the attic. Before doing that my temps were higher. Now my tent temp is usually within a degree or two of my room ambient temp.
i have a window open about 4'', a fan blowing from the window into the tent, a fan sucking out aire from the top, and another fan blowing in from the front, as i keep the front panel always open as there r no lite leaks - its the cmh's - they don't produce the heat of a hps, but they do throw out a shitload- hence the move to led's...
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Old 01-13-2021, 11:58 PM #7
ledtime
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Quote:
Originally Posted by zachrockbadenof View Post
i have a window open about 4'', a fan blowing from the window into the tent, a fan sucking out aire from the top, and another fan blowing in from the front, as i keep the front panel always open as there r no lite leaks - its the cmh's - they don't produce the heat of a hps, but they do throw out a shitload- hence the move to led's...
I remember those days. LED's still make heat. It's important to know that you actually want to run a hotter tent with LED. The leaf tempeture under HID lighting is higher than LED due to the IR that the HID puts out. Plants are more happy at 84 degrees under LED whereas you would want to be at 78 for HID.

Things to consider as you plan your grow environment. :-)
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Old 01-14-2021, 01:25 AM #8
zachrockbadenof
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yep ... i hear ya ... if i could control the temp, i'd get this - 198 bucks plus shipping, 1000w of cmh....wow..


1000W Double Ended Grow Light Kit
1x 1000W CMH Dimmable ballast (Model:EB-GCMH-1000R)
1x Double Ended Grow Light Reflector (Model:RF-K630-W)
1x 1000W CMH Bulb (ModelE-1000W/930)
1000W Double Ended Grow Light Kit
1x 1000W CMH ballast (Model:EB-GCMH-1000N)
1x Double Ended Grow Light Reflector (Model:RF-K630-S)
1x 1000W CMH Bulb (ModelE-1000W/930)
1x Heavy Duty Hanger (Model:EB-H150)
Non-Dimmable.
Reflector:
Size:452x239x125 mm.
Material:Imported ALANOD® aluminum reflector.Light reflection ?95%.
Mounting plate: 1.5mm Galvanized sheet with white powder coating.
Power cord: 16AWG/3C STW 105 ? 600V, with 3Pin Plug, L=18 Inch.
K12x30s lamp holder,6KV.
Suitable for Double ended Type CMH 630W/1000W or HPS
600W/1000W horticulture lamps.
Packaging Weight: 12.5 Kg
Main Specification
Type: 1000W Double Ended Ceramic Lamp
Wattage: 1000W
Lamp Operating Voltage: 220V
Packaging Weight: 1.3 Kg
GLK-1000R $198.0 $193.0
Trade Terms:
1. Price Term: Ex-Factory, Guangzhou, China
2. Payment Term: T/T, L/C, Paypal or West Union
3. Sample Term: Available after customers pay the charges of sample & freight fees
4. Warranty Period: 2 years
( )
1x Heavy Duty Hanger (Model:EB-H150)
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Old 01-16-2021, 03:00 PM #10
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led.... i think i'm going along with u.. heres the quote i got from viv - just a bit high then yours

600W quantum bar LM301H +CREE XP-E2 660NM UV IR : $519.0usd/set Shipping cost for 1 unit: $128.0usd by fedex or ups, about 7-10 days to USA Total cost is $647.0usd
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