Forum: Grow Lighting

HPS, MH, CFL, LED, etc.

  1. Sticky Thread Sticky: The Basics Of Plant Lighting

    Started by Hosebomber, 02-01-2013 04:59 PM
    21 Pages
    1 2 3 4 5 ... 21
    • Replies: 311
    • Views: 87,824
    08-16-2015, 05:32 PM Go to last post
  2. Sticky Thread Sticky: LED Sponsor Guidelines - Please Read

    Started by 420, 09-24-2014 05:27 PM
    • Replies: 0
    • Views: 24,841
    09-24-2014, 05:27 PM Go to last post
  1. I need help with lighting

    Started by WasabiBuddha, 06-23-2016 02:39 PM
    flower, forest, have, ocean, veg
    • Replies: 8
    • Views: 252
    Yesterday, 01:15 PM Go to last post
  2. New to LED give me your thoughts on my theories

    Started by No Pain, 05-29-2016 04:45 PM
    have, light, them, thoughts, will
    • Replies: 13
    • Views: 630
    06-23-2016, 09:43 PM Go to last post
  3. LED Bar Grow Lights Hot Sale

    Started by Houyi Lighting, 06-23-2016 07:27 PM
    drivers, ideal, lights, pictures, spectrum
    • Replies: 0
    • Views: 236
    06-23-2016, 07:27 PM Go to last post
  4. Question about fan LEDs

    Started by Grow17, 06-22-2016 01:08 PM
    buttons, control, have, leds, they
    • Replies: 6
    • Views: 238
    06-23-2016, 05:40 AM Go to last post
  5. Switching light types during grow?

    Started by Kbomb, 06-22-2016 02:34 AM
    any, led, lights, start, them
    • Replies: 3
    • Views: 95
    06-23-2016, 02:42 AM Go to last post
  6. Mars Hydro New 300W LED

    Started by doobie gillis, 06-25-2015 09:23 PM
    • Replies: 10
    • Views: 4,093
    06-22-2016, 06:33 PM Go to last post
  7. Mars Hydro - Why Not Make COB LED Grow Light ?

    Started by SmokeSara, 06-21-2016 02:44 AM
    cob, grow, light, not, why
    • Replies: 3
    • Views: 240
    06-21-2016, 09:26 PM Go to last post
  8. Please help recommend a suitable LED

    Started by dallas1305, 06-12-2016 02:51 AM
    4 Pages
    1 2 3 4
    4x4, led, marshydro, noob, not
    • Replies: 48
    • Views: 1,540
    06-20-2016, 08:00 PM Go to last post
  9. 1000W Gavita or 2x 600W SunSystems 4x8 tent?

    Started by GreenMachinee, 06-03-2016 12:13 PM
    1000w, gavita, high, pretty, tent
    • Replies: 9
    • Views: 481
    06-20-2016, 03:56 PM Go to last post
  10. Building DIY LED?

    Started by Colesdad, 08-17-2014 05:49 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 9,610
    06-20-2016, 03:12 PM Go to last post
  11. 200 Watt CFLs - I need info really bad

    Started by gren, 09-13-2006 04:50 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 4,468
    06-20-2016, 03:19 AM Go to last post
    • Replies: 4
    • Views: 769
    06-19-2016, 10:33 PM Go to last post
  12. Bug Zapper UVB 7x stronger then sunlights

    Started by LEDBud, 05-13-2016 06:57 PM
    measured, output, then, uvb, zapper
    • Replies: 8
    • Views: 933
    06-19-2016, 10:16 PM Go to last post
  13. LED heat problems

    Started by Gregormendel, 03-15-2016 09:43 AM
    3 Pages
    1 2 3
    led heat problems, lights, marshydro, room, temps
    • Replies: 33
    • Views: 1,479
    06-19-2016, 08:36 PM Go to last post
  14. Any thoughts?

    Started by Ganjagrowergu, 05-29-2016 06:19 PM
    250w, cfl, own, strain, tents
    • Replies: 4
    • Views: 424
    06-19-2016, 08:06 PM Go to last post
    • Replies: 10
    • Views: 863
    06-19-2016, 04:55 AM Go to last post
  15. Has anyone used Yield Lab lights?

    Started by GrowerDan, 06-17-2016 05:02 PM
    amazon, good, has, lights, reviews
    • Replies: 1
    • Views: 307
    06-17-2016, 05:11 PM Go to last post
  16. When do I move my plants from CFL to HPS? Please help!

    Started by Outlaw81G, 06-12-2016 11:27 PM
    2 Pages
    1 2
    cfl, days, hps, light, them
    • Replies: 16
    • Views: 596
    06-16-2016, 12:11 PM Go to last post
  17. Advice for DIY COB?

    Started by kaivorth, 06-10-2016 05:30 PM
    buy, cobs, mars300, ones, want
    • Replies: 8
    • Views: 596
    06-13-2016, 01:29 PM Go to last post
  18. Need some help

    Started by Slynon, 06-08-2016 10:06 PM
    ideas, heat, but, thinking, factor
    • Replies: 1
    • Views: 419
    06-13-2016, 01:11 AM Go to last post
  19. Ballast Question

    Started by fortphoenix, 06-09-2016 02:36 PM
    also, ballast, could, tell, they
    • Replies: 3
    • Views: 322
    06-12-2016, 09:09 AM Go to last post
  20. LED suggestions

    Started by whatayawant, 06-10-2016 09:52 AM
    about, closet, feet, good, led
    • Replies: 5
    • Views: 526
    06-11-2016, 08:48 PM Go to last post
  21. Vivosun - Have one? I'm ordering

    Started by justadadinSTL, 06-08-2016 10:53 AM
    grow light, hps, metal halid, two, vivosun
    • Replies: 4
    • Views: 553
    06-09-2016, 11:29 PM Go to last post
  22. Question Red/Blue LED's As Only Source?

    Started by BikerBear, 05-31-2016 08:33 AM
    grow, led, only, red/blue, source
    • Replies: 9
    • Views: 618
    06-09-2016, 08:47 PM Go to last post
  23. Cree DIY COB LED? Why do people use white lights?

    Started by flexy123, 12-20-2015 06:59 PM
    4 Pages
    1 2 3 4
    cree, diy, interested, lights, very
    • Replies: 48
    • Views: 9,125
    06-09-2016, 04:45 PM Go to last post
  24. Need some help on lighting

    Started by Mcjoint, 04-29-2016 01:41 PM
    2 Pages
    1 2
    about, another, leds, they, would
    • Replies: 23
    • Views: 1,171
    06-09-2016, 10:35 AM Go to last post
  25. HPS vs LED wattage

    Started by Veghead, 05-11-2016 07:39 AM
    output, true, light, less, wattage
    • Replies: 13
    • Views: 1,057
    06-09-2016, 06:44 AM Go to last post
  26. New person with fluorescent light question

    Started by Piztolapete, 06-07-2016 03:57 PM
    just, series, suggestions, tubes, wattage
    • Replies: 1
    • Views: 461
    06-08-2016, 09:55 PM Go to last post
  27. CFL's work just fine!

    Started by biotrucker, 04-01-2012 09:33 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 109
    • Views: 59,663
    06-08-2016, 05:00 AM Go to last post
  28. How much is too much Watts?

    Started by mikeguynz, 06-07-2016 07:59 PM
    how, just, lighting, much, too
    • Replies: 9
    • Views: 538
    06-07-2016, 11:45 PM Go to last post
  29. Question LED or LEC?

    Started by Stage, 05-15-2016 09:47 AM
    2 Pages
    1 2
    lec, led, output, over, would
    • Replies: 19
    • Views: 1,409
    06-04-2016, 12:53 PM Go to last post
  30. Amare Technologies Changing The Game

    Started by jaymu86, 03-26-2016 12:56 PM
    3 Pages
    1 2 3
    like, two, were, then, led
    • Replies: 35
    • Views: 2,050
    06-01-2016, 09:05 AM Go to last post
  31. Question I need help with light!

    Started by danny5, 05-12-2016 08:40 AM
    2700k, led, one plant grow, veg, will
    • Replies: 8
    • Views: 774
    06-01-2016, 06:27 AM Go to last post
  32. Lightbulb LED light height

    Started by johnw2269, 02-29-2016 11:14 AM
    5 Pages
    1 2 3 4 5
    height, led, light, lights, top
    • Replies: 62
    • Views: 2,829
    05-31-2016, 07:05 PM Go to last post
  33. Lightbulb Grow light comparison

    Started by greenluv420, 05-28-2016 01:16 PM
    2 Pages
    1 2
    coverage, grow, light, space, will
    • Replies: 15
    • Views: 905
    05-31-2016, 07:51 AM Go to last post
  34. LED lighting

    Started by 420inOregon, 04-24-2012 05:38 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 5,270
    05-27-2016, 09:54 AM Go to last post
  35. Good idea or no?

    Started by spyro, 05-16-2016 12:35 AM
    light, extra, now, have, hazard
    • Replies: 4
    • Views: 594
    05-26-2016, 04:27 PM Go to last post
  36. Need help with a newb lighting question

    Started by GreatWhiteBud, 05-23-2016 05:47 PM
    bulbs, lighting, side, using, watt
    • Replies: 1
    • Views: 584
    05-24-2016, 12:49 AM Go to last post
  37. Same light cycle - Different intensity?

    Started by Jacobsenji, 05-15-2016 08:16 AM
    all, cycle, have, just, leds
    • Replies: 1
    • Views: 494
    05-21-2016, 07:31 PM Go to last post
  38. Is this worth it with lighting?

    Started by rameraze, 05-18-2016 02:30 PM
    flowering, have, led, use, weeks
    • Replies: 4
    • Views: 751
    05-20-2016, 03:01 PM Go to last post
  39. Is 15,000 lumens of 6500k enought to grow a plant?

    Started by xave420, 04-13-2016 02:04 PM
    000, 6500k, have, lumens, watt
    • Replies: 5
    • Views: 836
    05-20-2016, 03:24 AM Go to last post
  40. Lightbulb light debate unplugged

    Started by unforgiven, 05-16-2016 07:31 PM
    3 Pages
    1 2 3
    g/w, hid, lec, led, output
    • Replies: 34
    • Views: 1,203
    05-17-2016, 07:01 PM Go to last post
  41. Using American 1000W digital ballasts in the UK?

    Started by Bernarder, 05-16-2016 02:08 PM
    1000w, ballasts, digital, possible, would
    • Replies: 1
    • Views: 528
    05-16-2016, 03:26 PM Go to last post
  42. New light

    Started by Cornwalis, 07-05-2015 09:32 PM
    • Replies: 6
    • Views: 606
    05-16-2016, 03:26 PM Go to last post

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