4000k

  1. S

    quantum boards setup opinions

    I'm planing to setup a new grow tent, 80X80X200cm (2.6x2.6). which I'll use for growing two photoperiod plants in coco coir. I want to grow short plants , I'm not necessarily aiming for high yield but of course for quality yield. I want to go for QB and i have two options from two local shops...
  2. C

    3 XL Quantum Boards - How Would You...

    Hello everyone, This is my first post so hang in there with me. I have a 4x4 gorilla grow tent with an extension. And I also have three quantum boards. 2x XL 320watt boards in 3000k 1x XL 260watt board in 4000k My question to those who have more experience with quantum boards is in a...
  3. calitrees916

    LED grow from start to finish

    Good afternoon everyone, so I plan to do my best to document this veg and flower cycle from start to finish with my DIY LED rigs. I have built 2 rigs each composed of 6 HLG QB304s with a mix of 3k and 4k in staggered placement to give a mixed spectrum. I have them powered with 6 hlg-240h-c1050a...
  4. Trippyness

    DE HPS Spectrum Shootout 2100k vs 4000k vs 6000k vs 10,000k Commercial

    Greetings everyone. If you have read my thread from a few years ago regarding spectrum in different stages you will know it never got answered with solid evidence. So its time I run a commercial side by side to give some final numbers, data and lab results to put this to rest. I hope one day...
  5. K

    Clu 048 1212 3000k and 4000k mix

    wat you all think about a 8x 3000k 1212c4-303m2k1 4x 4000k 1212c4-403m2m2-f1 mix are these particular models.... the right 1s
  6. HydroLynx

    3000K vs 4000K SPD curves for Samsung LM561C & Emmerson

    I have the option of less efficient 3000K led or more efficient 4000K Samsung leds. So I superimposed two relative colour spectra. But I see no significant departure between those 3000K and 4000K spectra in terms of 680nm+ relative output. Sad Emmerson. 3000K = RED and 4000K = BLUE 3000K...
  7. D

    Tasty LED 3000k 90CRI vs 4000k 80CRI grow log

    So as @Rahz had posted, I will be testing (thanks Rahz!) the TLED T22 3000k 90CRI and the TLED T22 4000k 80CRI lamps. Both are found on the following pages (for specs). https://www.tastyled.com/Tasty-LED-T22-LED-grow-light-p/t22-3000-90.htm...
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