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    First COB grow questions

    So I checked them today and It seems like the og kush has no purple now and is growing nicely. The SD is showing a little less purple now too, but is still small compared to the og kush and all the leaves are a few shades darker. Do you think it could be because of it's rough birth or what?
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    First COB grow questions

    You can't really see the purple in the pic, but it's a little bit more prominant in real life
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    First COB grow questions

    So this is my first ever indoor grow. I have 5 1212 3500k 90cri running in a small closet. t during lights on are about 77°f and with lights off 64°f. I started two plants from sees. Og kush and Sour Diesel. The SD had problems with sprouting(i had help take off a small membrane, so it could...
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    Could someone explain how and when to use reflectors.

    I have a 2x3 tent and want to buy 5 clu048 1212, what K and Cri should I use and if you will say to mix, then how do I mix them ?
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    Best k and cri for clu048 1212

    Anyone else? It is very urgent! I bought the 3500k 90cri version from kingbrite and payed them only to get a message the next they, that they only have 3 in stock, instead of 5. So now I have 2 options, buy another versiom or request a refund and buy from another seller. What should I do? Also...
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    Best k and cri for clu048 1212

    Bloom/veg means that it more friendly in bloom than in veg?
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    Best k and cri for clu048 1212

    Hello dear users, as the title suggest I would like to know, what is the best k and Cri for veg and bloom, don't want the plants to strech too much. I will be running them at 36w each, if that matters. Thank you!!!
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    Will 5 COBs heat up my closet?

    Hello, everyone! So I have a 2x3x5.6 closet and I am planning on buying 5 clu048 1212 for this closet. I will be running them at 36w each. The problem I have is that the t in that closet right now is about 61°f. My question is, will those cobs raise the t in the closet to about 72°f ?
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    Will this heatsink work?

    So I could use this heatsink? :D
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    Will this heatsink work?

    I did some calculations with formulas I found online and calculated that I need a thermal resistance of 1,87 or lower. This heatsink wat the cheapest one I could find that was below 1,87.
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    Will this heatsink work?

    So I am almost done with selecting all the parts, thanks to this beautiful forum. Now I just need to chose a heatsink. Will this heatsink work for my Citizen CLU048 1212 3500k 90 cri cobs? I will be running each of them at 49 watts. The one I'm looking at is the ModuLED Micro 8630-B Sorry, I...
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    Drivers and heatsinks inside europe

    Can I annoy you for the last time please? Cab you help me find 5 heatsinks from there that I could use? I will be running them at 50w each
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    Drivers and heatsinks inside europe

    Oh, it's tme.eu You said tmc.eu before :D
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    Drivers and heatsinks inside europe

    Are we talking about the same TMC.eu ? I can't find heatsinks or holders there. Am I stupid?
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    Drivers and heatsinks inside europe

    What about holders and reflectors? Which ones do you use? And where do you buy them from?
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    Drivers and heatsinks inside europe

    So can I just order any 120mm heatsink from alibaba?
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    Drivers and heatsinks inside europe

    What would be a good passive heatsink if I am going to be running 1212s 49 watts each?
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    Drivers and heatsinks inside europe

    H Thanks! I guess I will have to go with the 3500k 90cri aswell.
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    Drivers and heatsinks inside europe

    I'm having hard time finding the info that I need. Anyway, what would be the overall best K? 3000, 3500, 4000? I am planing on growing autoflowers, if that changes anything. Also, what about the CRI?
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    COB NOOB Help needed!

    What do you say about Citizen cobs? How do they compare to the Luminus 22? What CRI and color is the overall best for veg and flower on these?
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