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  1. optzulu

    Night time temp differential with LED

    Nah my english is bad Going to get hard to explain why nature always wins.And even harder to explain why a spike in the temprature drop is effecting your hole grow and you cant see it until your harvest is on the scale. And its to late
  2. optzulu

    Why are COBs better, and whats so great about the 3590?

    led got picked up over HPS when the efficiency start to shine. Not the spectrum quality. I am going to weight my dry buds today I had 600gram last run from 400W of cxb3590@1400. But I can tell ya Going to hit the 650g for shure. Quality nugs only becouse we sell this stuff. Sorry sometimes a...
  3. optzulu

    Night time temp differential with LED

    Nevermind... Not worth it
  4. optzulu

    Night time temp differential with LED

    A split airco for 400W of Cree CXB ? Thats a overkill , best temps when light on is +- 80F and off 73F its importent that the temprature drop goes slow just like in nature.
  5. optzulu

    On/Off functin for meanwell HLG style drivers using dimming and arduino

    Yes whats the price I the ramp up/down function is the only thing I am looking for know when I learn more about more sensors and controlling sound fun.
  6. optzulu

    CRI test and Mcree weighted results

    I think its more a photon vs spectrum camp. Funny fact the members of the photon camp have allot of real time hard data to present. Data about Weed! While the spectrum camp is still figuring out what spectrum to choose and have allot of theory data. About tomato and Cucumis sativus(cucumber)
  7. optzulu

    Original Amnesia DINAFEM smoke report

    http://gallery.wietforum.nl/gallery/album_19032/gallery_46224_19032_1428667.jpeg The one and only original cut amnesia haze 9.5weeks and its done producing insane yields and one of the best smokes in the world. Its the same story with GCC you can buy seeds but when you taste the real original...
  8. optzulu

    Introducing CobKits.com - specializing in DIY and Citizen COBs

    what are the shipping costs for 6 citizen chips to EU ? you can just put them in a bubble envelope ?
  9. optzulu

    Does everyone go 24 on and 0 off for clones or any 18/6?

    24h until they start rooting then 2 weeks veg under 18/6
  10. optzulu

    COB Manufacturers other than CREE or BRIDGELUX

    They do tc85 not 25 that is a big difference and they have a 6% tolerance citizen 10% and maybe they get effi when running on 1400ma.
  11. optzulu

    COB Manufacturers other than CREE or BRIDGELUX

    they are new give them some weeks and they will be in stock by other vendors.
  12. optzulu

    COB Manufacturers other than CREE or BRIDGELUX

    Those look insane 159 lm/w at 2100A and there sheets are at 85C and they have a 6% tolerance and they bin !! I And they fit nice on MW driver I want them.
  13. optzulu

    Cheap and Cheerful DIY using Citizen cobs

    Yes Citizen was in develope for a horticulture led cob, I dont know why but they stopped everything about it. Somebody here on the forum posted a pdf of it and it was looking insane. Too bad japanse dont like weed.
  14. optzulu

    Introducing CobKits.com - specializing in DIY and Citizen COBs

    You can run 8 cxb 3070 ore 3590 on 1 cutter 400W driver.
  15. optzulu

    Introducing CobKits.com - specializing in DIY and Citizen COBs

    To the citizen Will 4x citizen 1825 3500k running on 90W each have the same ore better lumen output ?
  16. optzulu

    Cleaning COBS

    Oke ty I will try some 96% alcohol with that thing you put in your ear after shower haha. I post some pics later ;)
  17. optzulu

    Cleaning COBS

    Hello guys I have a qeustion yesterday I had a little accident. I dont know how but a piece small piece of plastic got stuck on my cob surface and burned. Becouse there was smoke from the cob surface when the lights got off and cooled down I checked and it got hard. So what can I do ?
  18. optzulu

    email from Jerry at kingbrite about 3590's

    @JorgeGonzales I always have grow under HPS , It is a good system that has proven it self to bad the cons are just to much heat is a big problem so you need more cooling. I tried LED years ago and it was awful (chinese) So a friend of mine told me that there are some new leds en things So I...
  19. optzulu

    email from Jerry at kingbrite about 3590's

    Haha lol yeah this is what I am trying to tell these guys we are growing weed with led with a reason high efficiency if you want to hit 1g/w then go for HPS the problem is that leds lose efficiency at higher watts, If those new leds dont give me a higher gram/watt ratio then my cxb3590 whats...
  20. optzulu

    Lens and Reflector Optics for COB

    Learn to build a proper grow room with orca foil. Lenses ore reflector are usesless in growing weed with led cobs . Whem I put my reflector ON (angelina) the bottom of the plant dont get that much light as withouth It. Only the top get full blasted giving nice buds on the top and fluff on the...
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