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Nextlight mega need advice for this paperweight

Discussion in 'LED and other Lighting' started by rhinobucket, Nov 13, 2017.

  1.  
    rhinobucket

    rhinobucket Active Member

    So i got 2 of these lights
    And do they suck is not even the word
    Had them in veg, when i took them down they where 5 ft away from plant tops
    Look like they where in cemo for 6ms
    So if anyone has any answers

    Took 2 weeks under mh to go back to normal
    So yea these things SUCK
    Next will be the spyderpro so hopefully that goes better
     
  2.  
    CobKits

    CobKits Well-Known Member Rollitup Advertiser

    if you cant grow with the nextlight mega ,LED may not be for you.

    its a quality light of high efficiency

    did you use a lightmeter?
    did you raise temps comapred to your MH?

    how much MH wattage were you replacing with the mega?
     
    ganjamystic likes this.
  3.  
    PSUAGRO.

    PSUAGRO. Well-Known Member

    Lower the megas significantly to the canopy......5ft away is too far,18 - 24 inches ? Would be my guess, never used one though. Plenty of Samsung mid power grows in here for reference
     
    Stephenj37826 and ganjamystic like this.
  4.  
    guy_incognito251

    guy_incognito251 Member

    Stephenj37826 likes this.
  5.  
    ganjamystic

    ganjamystic Well-Known Member

    you can send them to me
     
    rkymtnman, Stephenj37826 and PSUAGRO. like this.
  6.  
    rhinobucket

    rhinobucket Active Member

    No light meter
    No raising of temps stays 80
    Replaced 4 mh with 2 led
    Started off 1 ft away
    Looked like huge nitrogen and calmag deficiencys
    Veg plants month old about in soil

    Ganjamystic hahahha
     
    ganjamystic likes this.
  7.  
    PSUAGRO.

    PSUAGRO. Well-Known Member

    Soil heavily aerated(perlite, etc)?proper watering habits? ....... slow draining / overwatered medium with leds is a recipe for disaster
     
    Abiqua and Stephenj37826 like this.
  8.  
    Danielson999

    Danielson999 Well-Known Member

    Could have just shocked the shit out of them if they were used to MH light and switched suddenly to LED. I wouldn't waste your time buying any other LED's because your problems will persist until you figure out what you're doing wrong.
     
  9.  
    Budies 101

    Budies 101 Well-Known Member

    Get us some pics of the whole setup... This is more than likely user error, and that's ok, lets get you on track so you can be happy with your tools.
     
    Stephenj37826 and Rolla J like this.
  10.  
    Budies 101

    Budies 101 Well-Known Member

    When I hear the plants are all yellow I think you bleached them, in this particular case.
     
  11.  
    VegasWinner

    VegasWinner Well-Known Member

    For most f the pcb led boards 18" - 24" is the recommended space between plants and lights, as the leds are more powerful than folks realize. At full power and 12" that would deliver very high lumen output to your plants causing yellowing. I would try again with light set at 24" and work from that height either up or down. Lower heat levels, but higher lumen levels. From what i have seen of this light you should be happier. @OLD MOTHER SATIVA Sativa has a thread using s similar setup as yours. You might check out his threads.
    peace
     
    OLD MOTHER SATIVA likes this.
  12.  
    Stephenj37826

    Stephenj37826 Well-Known Member Rollitup Advertiser

    Get temps up to 82+. If using a carbon filter and fan combo might I suggest the Mercury 4 fan speed controller. Put those megas at 24"-30" for veg. Sometimes the lack of radiant heat can be a bad thing. Getting plant transportation up to match the photosynthesis rate can make a big difference.

    What size pots, what soil, and what size are the plants now?
     
    PSUAGRO. and OLD MOTHER SATIVA like this.
  13.  
    Dave455

    Dave455 Well-Known Member

    How about cal/mag deficiency ? Have to up especially under LED.
     
  14.  
    rkymtnman

    rkymtnman Well-Known Member

    answer: don't blame the light.
     
    ganjamystic likes this.
  15.  
    Abiqua

    Abiqua Well-Known Member

    Ca lockout city....:)
     
    PSUAGRO. likes this.
  16.  
    nfhiggs

    nfhiggs Well-Known Member

    Agreed - I've noticed the same thing with my cheap Roleadro light in my veg cabinet. When temps were warmer, she was growing fast and eating up the light at 6-8 inches away. Then we had a cold spell and temps dropped about ten degrees. Suddenly "light burn" started to show and I had to raise the light a few inches higher. Bring the ambient up a few more degrees and many of those "light burn" symptoms will disappear.
     
    Stephenj37826 likes this.

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