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    $400 to light a 4x4

    That 140w light is enough to flower a 2x2 tent
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    5000k quantum boards for veg/flower?

    Loads of blue at the end of flowering could be interesting to see
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    Bridgelux EB Series Build

    How did I manage to harvest 200gr out of 70-80watts? lol
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    Bridgelux EB Series Build

    I am going to rewire everything tomorrow. It has something to do with the wiring since last run I had apparently no problems even if I never tested it: I harvested 200gr off it, I doubt that was 70-80watt. BXEB-L0560Z-35E2000-C-B3 If we look at the datasheet, page 6 figure 3 we can see that at...
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    Bridgelux EB Series Build

    Current output is 3.6A 3.6 / 8 = 0.45A per strip Looking at eb2 datasheet, at 450mA voltage is a bit over 19v Since there are 2 strip in series I should have a configuration of 8 strips in parallel with a voltage of 38+ It is a B driver so I can only use the pot to adjust the current, not the...
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    Bridgelux EB Series Build

    Need help reviewing my math: 16 eb2 strips 2ft 3500k wiring is 2s8p (voltage measured is 36.7-36.8v) driver is an HLG-150h-42b watt-meter measures only 70-80w what could be the problem? (can't measure the amperage atm)
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    Advise needed

    I would do 4cobs in a 60x60 and 5 in a 80x80 but you would probably get an hotspot in the center. You have more power than you need, run 120-150w in the smaller tent
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    Advise needed

    Thermal paste
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    Advise needed

    You're from eu. On ebay you can find a store called export-estonia selling citizen cobs. They sell a pack of 5 clu048-1212 90cri gen6 for about 50-60eur. 4 cobs at 1.05A in a 60*60cm tent are good enough. Driver off tme.eu You don't need any reflector
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    can an led light match a 1000 wat hps

    I can't really understand why do you even read this section
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    can an led light match a 1000 wat hps

    oh lol the shitstorm begins I always thought that PPF is not weighted while YPF weights photons differently based on plant response
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    The Chinese Quantum Board Knock Off Builds

    As long as they are cheap and do their work...
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    The Chinese Quantum Board Knock Off Builds

    @Moflow thx, really appreciate your willingness. They just need to make them with separate channels
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    The Chinese Quantum Board Knock Off Builds

    Oh well I thought we were talking about linear strips not boards.
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    can an led light match a 1000 wat hps

    No, lol no really No
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    The Chinese Quantum Board Knock Off Builds

    Any more info about the 660nm strip? I inquired feidaming for royal blue+uva and 660+730 strips but they quoted me at 480usd for 10pcs lol
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    Proper temperatures in LED grow

    What led are you using?
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    Newbiee Advice would be Nice.. diy COB LIGHT for a 4x4

    99% users of LedG forum grow weed His builds are tailored for that kind of grow. Check the cannabis section btw For flowering cannabis it is suggested to aim for 30-35w/sqft to reach a good amount of PPFD. Now you have the total wattage needed, decided what kind of tech you want. Strips? Find...
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    Newbiee Advice would be Nice.. diy COB LIGHT for a 4x4

    ??? There is no reason to make one single giant frame but I am probably missing something. With 2 frames you can adjust the height on your needs + easier to handle due to lower weight two 60x120cm frame, obviously you will mount strips parallel to the 60cm side if using 560mm version Btw I...
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    Newbiee Advice would be Nice.. diy COB LIGHT for a 4x4

    Hey Can't understant how a 4x4 tent should be hard to be illuminated with strips. Strips come in 1-2-4ft lenght, If you make two 2x4ft fixtures you would be rocking a 4x4 tent. Arrow now offers DDP shipping and you receive the package at your door without the customs hassle. Dunno why someone...
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