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    Yields at differant PPFD?

    Not through, we still use half ant 3 quarter inch water pipes, and some of us 4 by 4 lumper. Rilla.
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    Citizen clu 048

    Forgot that. Clu 48 1212 3500 k cri90
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    Citizen clu 048

    Sun is on the right and the month best ever is May. We normally call May a spring month but this one has been better than any other month in recorded history. The problem though is that the soil is very dry and thats bad for the farmers and the rest of our garden. Rilla.
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    Citizen clu 048

    I have a little grow competition. One Citizen CLU 48 versus the big mother of all lamps, the sun. In my place we have had the sunniest and warmest summer ever, or at least as long as there has been records. I have planted 2 seedlings, both Brooklyn Sunris that sprouyed at the same time. I have...
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    Inverted poles between driver and led, what did it cause?

    Mine does. I was so fucking stupid to wire mine to a switch in a way that it shorted the output. I was sure it was ruined but when i got it right it worked anyway, happy man after that! Rilla.
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    Where better to buy LED COB's

    Kingsbrite in China has some good prices.Look at Alibaba but you have to ask about price. Rilla.
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    ***SONOFF - WiFi Wireless Smart Switch***

    I have a Broadlink that can do just that. It cost a little more, maybe about 12$ Rilla.
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    IC Driven COB LEDs Experiences? Advise?

    I agree with you considering the efficiency but I have tried some 100W Chinese cobs with normal drivers and the plants did not grow very well under them, I found that when i exchanged 2 Chinese with one Citizen 1212 the plants were growing better. I should make a proper side by side test to...
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    Poor man's CRI=95 Prolight grow

    Very nice that you will try something different from everybody else. Hope to se the results. Good luck. Rilla.
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    Wet Strippers Inside

    Me too. :blsmoke:
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    Wheres heatsink on a incadecent replacement bulb?

    They might last longer with a better cooling, I have seen a couple that only lasted about 3000-4000 hours.
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    Amps, Volts, and Watts understanding your power bill

    Well. I have a lifetime of proff work with electricity and off cause I know all about what watt, volts and amp, is but the way you explain it I almost don´t understand it anymore. It was a really bad explanation and I bet very confusing for the people who don´t already know.
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    Dry firing cobs

    You could lay them on some metal like a frying pan or something then they will get some cooling. Maybe even cool the pan first.
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    What about redirecting Sunlight into your grow room?

    That thing is not worth a shit for growing plants,it´s just like a small window or skylight. Rilla.
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    Why are these not a thing?

    It is probably not very good but it probably can grow a plant Only way to know is to buy one and grow a small plant under it, it could be basil or something. Rilla.
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    Drivers and heatsinks inside europe

    I don´t know about the size if you want to use passive cooling, I use Artic Alpine 64 which I get cheap in Denmark. But here are heatsinks at TMC :http://www.tme.eu/en/katalog/radiators_100095/ And here: http://www.tme.eu/en/katalog/heatsinks-for-leds_113176/
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    Drivers and heatsinks inside europe

    I don´t know if you are stupid but if you find the holders when you look at the cobs. Link here: http://www.tme.eu/en/details/180416-0104/led-connectors/molex/1804160104/ Heat sinks are also there somewhere. Rilla.
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    Drivers and heatsinks inside europe

    I got some holders from TMC, no reflectors. Rilla.
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    Drivers and heatsinks inside europe

    I can not really help you. I have chosen 3500 90 cri based on what I found on this site. Mostly the tread comparing 80 to 90 cri Cititzen. I haven´t had a grow with them yet. Rilla.
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    Drivers and heatsinks inside europe

    read a little in this forum. Rilla.
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