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  1. K

    looking to build a hlg 550 clone

    If you are going to be running 2100mA then you are driving each chip at 116mA so you have room to run them harder and dim them down.
  2. K

    LED light intensity

    They should be ok prop them up with a lollipop stick
  3. K

    ChilLed New Cob Replacement

    I've seen some very good lighting setup's for salt water fish tank's that do weather effects.
  4. K

    When QBs are cheaper than strips?

    Some of the people on this site make me laugh, if you run the strips at there nominal vF and mA strap them to an old baking tray. Or do what I did for mine, look on the net for metal suppliers got some nice 6063T6 channel for £22
  5. K

    Reflective vs white room for quantum boards

    Has anyone ever tried it with mirrors? would that not be better
  6. K

    Samsung FB24B Heatsink

    @GBAUTO If you are in the uk like I am, then get them from Digi-Key took 3 working days from the US.
  7. K

    they were £22 per strip you would be fine with 4 strips of LT-F562A plus a driver about 200...

    they were £22 per strip you would be fine with 4 strips of LT-F562A plus a driver about 200 to 250 watts but get the driver from UK not the US
  8. K

    UK based looking at led options

    @Stu1888 just order parts off digi-key and build your own, I ordered some Samsung F strips Thursday they will be with me tomorrow.
  9. K

    Lukios Secret Garden

    why buy a lux meter you have a very good one on newer phones
  10. K

    UV led?. should I or just add more cob?

    I think you will also find,with adding uv that the terpines will express better like an outdoor grown plant.
  11. K

    Lukios Secret Garden

    @lukio dude that is propper sugar leaf man it's killing it!!!...really nice
  12. K

    DIY with Quantum Boards

    @MMJ Dreaming 99 4 QB304s on 2 HLG 240's would be 500 watts or there about.
  13. K

    HLG Quantum board "Megaforce" sog grow

    NapalmD looking well lush m8te.
  14. K

    DIY with Quantum Boards

    @robincnn, when I order some qb's can you do certain cct cri and flux bin or are you stuck with how they come?
  15. K

    DIY with Quantum Boards

    Ryante55 on that driver you can only run parallel as the voltage only runs one board if you want to run series look at the 1050ma for 3
  16. K

    Quantum Boards Across The Pond In The UK

    Cool I will pull up a chair, as I am in the uk and will more than likely buying a few.
  17. K

    Lens discoloring my heat sinks

    They are using cheap black anodising that is not light fast so the light and heat make it fade.
  18. K

    Lens discoloring my heat sinks

    It is the base coat coming though the anodising cheap black coat
  19. K

    Worth a read

    Found this http://www.ledsmagazine.com/articles/2016/10/cree-ramps-performance-in-red-leds-for-horticultural-lighting-applications.html and it looks interesting especially this bit PAR (Photosynthetically Active Radiation) region from 400–700 nm, although other new horticultural metrics will...
  20. K

    Is the 709-HLG240H-C1400B a good driver?

    It will work a treat for five no problem
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