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    Led lighting

    Wondering if my 1500w led grow light is enough for a 4X4X80 grow tent, or should i need two

    #2
    Light manufacturer should have specs on their website. Also, is your light 1500w or 1500w equivalent? There’s a big difference, not knowing make and model.

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    • MarcA
      MarcA commented
      Editing a comment
      Thanks for your comment, i geuss its equivalent, 250w. W250 write on the manufacturers label

    #3
    Originally posted by MarcA View Post
    Wondering if my 1500w led grow light is enough for a 4X4X80 grow tent, or should i need two
    You will need to see if the fixture lists the actual power draw.
    If it's an older 'blurple' fixture, then a simple metric for HID lighting and older tech blurple diodes would be 50 watts/sq ft of canopy.
    That's the amount of power you'll need to achieve adequate light levels.
    When you step up to current-tech diodes like the lm301h, you can achieve the same light level @ 30 watts/ sq ft.
    So, for your example a 4x4 will need 800 watts of blurple leds or 480 watts of top-tier diodes.
    WHAT???
    5x5 grow space
    900w of Vero's and F-strips
    4-17gal totes self-made UC system.

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      #4
      Thanks for a very detailed comment, written on label 250w newest model, plants are 4 Bruce Banner auto feminized (first grow) in 10gal fabric pots, in promix. I almost lost them in my incubator (may have let them to long, 2 or 3 days). So I panicked a bit, all is good now, but I guess the real question is should I buy another light later in the flowering stage, the manufacturer says only that the core coverage form 18" to 24" is only 2.5 feet by 2.5 feet. 24" (750umol/ms )and 18" (812ms)

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        #5
        You'll benefit from extra light in flower. The footprint will expand, but flowering plants also like a higher intensity light.

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          #6
          If I buy Bloom plus 3000w (manufacturer says 600w hps/md) and my 250w cheap 0ne i should be good right for my 4x4 grow tent.
          Amazon search:
          B082XY8B75 (3000w led)
          B075SRHWQP(1000w led)
          Last edited by MarcA; 11-16-2020, 08:41 PM.

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            #7
            Well, l apologize, l have finally bought a 1000w hps/mh, but I will keep my led light, could I use a 1500w (250w really)led light to keep a mother alive for cloning, I would like to thank everyone for your help.

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              #8
              Your 250w fixture should do a 3x3 veg area.
              WHAT???
              5x5 grow space
              900w of Vero's and F-strips
              4-17gal totes self-made UC system.

              Comment


                #9
                Yep, that light will work fine for clones. Likely can keep it 24" off the canopy top.

                Comment


                  #10
                  Thanks guys, the grow is doing fine at 11 days from germination, I think it's going well

                  Comment


                    #11
                    Originally posted by MarcA View Post
                    Wondering if my 1500w led grow light is enough for a 4X4X80 grow tent, or should i need two
                    The equivalent rating some manufactures use can be unclear, especially when one realizes the real power rating is the key factor.

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