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    DiY LEDs - How to Power Them

    I would like to mix 80 and 90 cri of clu048 1212 3500k,parallel wiring.It is possible or it is better to avoid mixing different cri cob?
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    DiY LEDs - How to Power Them

    I am about to build some fixtures for a friend who did not yet decided grow space. My plan is to build discrete light fixture of 150watt for 50cmx50cm, that he could scale up according ti his space. My question is....how to daisy chain light among them?
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    Cheap and Cheerful DIY using Citizen cobs

    Here again...I am not able to use calculator, so is there a mmol/w list at different wattage for 1212 gen 6 in 3500k(80 and cri)?thank you
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    DHP Presents Citizen Cob 1812 3500k 80CRI Vs 1812 3500k 90 CRI

    @The Dawg Sorry if you already answer this.....but I would like to know if you are using1812 gen 5 or gen 6.Thanks
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    Cheap and Cheerful DIY using Citizen cobs

    I am trying to find a chart at different wattage with mmol/j for gen5 clu048 1212 and 1818 in 3500k color.Does anybody post it?
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    I've got something that crushes all the other COBs and other lights

    I hope to express me right and polite...But english is not my language. Anyway, I do not understand why so many user are ready to start discussion and fighting.. I know sometimes we feel like we HAVE to defend our opinion as strong as we can,but I do not think that should happen here. We all are...
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    Introducing CobKits.com - specializing in DIY and Citizen COBs

    Night temp 18/20 C Day temp 22,5/24,5 C Feeding in coco drip sistem with ec 1.6
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    Introducing CobKits.com - specializing in DIY and Citizen COBs

    Sorry Forgot to answer 3500k 80 cri
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    Introducing CobKits.com - specializing in DIY and Citizen COBs

    Just have 3 or 4 beatiful colas ...8inch long,large and full from tip to stem. Other bud are shorter and less dense and full.only 2 or inches from top,below all bud are almost empty
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    Introducing CobKits.com - specializing in DIY and Citizen COBs

    During veg 18/6 Flower 12/12 Also use 730nm far red 15 min at light out. No light leaks. But I had timer problem at day 18 of flower...basically had 24h of light from day 18 till day 22.....Than 24h dark than again 12/12
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    Introducing CobKits.com - specializing in DIY and Citizen COBs

    I vegged from seed @150/300watt (start at 150 than gradually increased ),than gave full power for flower...Now I am at day 50 of flower but bud are not dense or full...3 blue dream from hso and 2 white siberian from dinafem
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    Introducing CobKits.com - specializing in DIY and Citizen COBs

    It is my first run since I switched to cob. I got 12 1818 gen 5 driven by 3 hlg-185h-54. 550watt from the wall. It should be more than 800 ppfd over a 4x4 tent...But result are really not so great. Did I made some mistake with calculation and projecting or is just a bad pheno ?
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    I've got something that crushes all the other COBs and other lights

    How to choose gen 6? I just see 1212 or 1818 bur not gen 6 or 5
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    I've got something that crushes all the other COBs and other lights

    Gen 6 of citizen are already available?
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    DIY Citizen Cob LED grow

    Single,no kid,just 3 white hair at 33
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    Cheap and Cheerful DIY using Citizen cobs

    @CobKits So....80 cri has more par and bit more stretch?
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    Pin fin EU

    Tme.eu has is best option for heatsinkbar inside europe
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    Cheap and Cheerful DIY using Citizen cobs

    Efficiency at a given wattage,max wattage output and price
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