cri

  1. Retr0_ZA

    LED Glass Tube effectiveness

    I recently got 2 LED Glass Tubes. These tubes produce 2400 Lumens while running at 24W/230V with a CRI >=80 and 6500K. Will a combination of 6 of these bulbs be enough for a successful grow from seed to harvest? Will a combination of different LED Glass tubes work better? For instance a...
  2. nonamedman420

    LED CRI suggestions for veg flower, or does it matter?

    I am about to put a parts list together for my friend. he is looking to replace a 1000w hps light. i was looking at kits and then at individual parts instead. when it came time to decide which cobs to order, i realized i needed more information. i figured i'd ask if there's a preference when it...
  3. Rocket Soul

    Vegging with 3000k 90cri

    Has anyone tried this using any brand? What where your observations? Would you (for a full cycle fixture)make a panel all 3000k 90cri and add supplemental blue for vegg or use 3000/3500/4000k 80cri and use supplemental red for flower? Just being curious what people think
  4. SSGrower

    CRI and ANSI White bin questions

    So I get that a higher CRI value means the led is capable of creating a more uniform and pleasing lighting aesthetic for humans but does it really mean anything to the plant so long as the minimum spectral power needs are met? The CREE literature shows graphs of relative power output at a...
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