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Forum: Indoor Lighting

Indoor Lighting

  1. Sticky Thread Sticky: Answers about CFL, HPS, How Much Light...

    Started by Roughrider, Nov-13-2007 09:16
    5 Pages •
    1 2 3 ... 5
    13 Attachment(s)
    • Replies: 103
    • Views: 62,370
    TheWickedApple
    Sep-18-2012, 13:52 Go to last post

  2. Thumbs up Sticky Thread Sticky: HPS and MH lighting - Tips and info, optimal distance from tops!

    Started by THContent, Jun-08-2010 09:01
    best light for marijuana, grow, hps, lighting, metal halide
    • Replies: 14
    • Views: 17,872
    eatingglass
    Sep-17-2012, 10:07 Go to last post

  3. Sticky Thread Sticky: El Cheapo Guide to Lighting

    Started by khronik, Jun-25-2007 11:56
    3 Pages •
    1 2 3
    7 Attachment(s)
    • Replies: 63
    • Views: 25,446
    khronik
    Aug-25-2012, 15:27 Go to last post

  4. Exclamation Sticky Thread Sticky: LED grow lights... input please.

    Started by turtle420, Oct-12-2005 08:20
    24 Pages •
    1 2 3 ... 24
    58 Attachment(s)
    • Replies: 589
    • Views: 125,042
    MG.Snake
    Aug-11-2012, 12:06 Go to last post

  1. Multiple bulbs on a single ballast?

    Started by XXXJAYXXX, May-19-2013 12:25
    • Replies: 1
    • Views: 114
    cannabis-seeds
    May-19-2013, 13:11 Go to last post

  2. GE Brightstick

    Started by Tomadashi, May-12-2013 16:07
    • Replies: 0
    • Views: 377
    Tomadashi
    May-12-2013, 16:07 Go to last post

  3. Question Lumens or PAR?

    Started by KnowledgeIsPower, May-11-2013 16:30
    • Replies: 1
    • Views: 121
    Shovelhandle
    May-11-2013, 16:34 Go to last post

  4. LED-WATER-HEATSINK

    Started by LedElk, Mar-17-2013 06:08
    3 Pages •
    1 2 3
    23 Attachment(s)
    • Replies: 65
    • Views: 1,261
    Shovelhandle
    May-11-2013, 16:32 Go to last post

  5. Calling out to Weezard for LED advice

    Started by Crunchypants, Feb-10-2009 21:42
    22 Pages •
    1 2 3 ... 22
    128 Attachment(s)
    • Replies: 543
    • Views: 29,658
    Mal420xl
    May-07-2013, 05:36 Go to last post

  6. CFL problems

    Started by jongrower, Apr-27-2013 06:42
    • Replies: 4
    • Views: 405
    smoker1990
    May-01-2013, 07:52 Go to last post

  7. led xray effect

    Started by Mal420xl, Apr-26-2013 07:01
    • Replies: 1
    • Views: 242
    Shovelhandle
    Apr-26-2013, 08:38 Go to last post

  8. New in box HID lighting, 23 years old - safe to use?

    Started by HipsterDoofus, Apr-18-2013 09:42
    • Replies: 1
    • Views: 339
    bigbud hoop
    Apr-19-2013, 14:24 Go to last post

  9. Wattage Vegetative Stage

    Started by Medicatetoday, Apr-16-2013 16:00
    • Replies: 2
    • Views: 415
    Medicatetoday
    Apr-16-2013, 16:35 Go to last post

  10. Induction lighting experiences

    Started by seattlegreens, Feb-03-2013 22:28
    • Replies: 7
    • Views: 547
    Mal420xl
    Apr-04-2013, 10:56 Go to last post

  11. Question Ceramic Metal Halide Bulbs...for HPS ballasts?

    Started by Dutch Pimp, Sep-13-2007 12:21
    4 Pages •
    1 2 3 ... 4
    35 Attachment(s)
    • Replies: 76
    • Views: 18,428
    Dutch Pimp
    Apr-04-2013, 09:32 Go to last post

  12. New 400w Induction light vs. 1000w HPS

    Started by TANKJR, Apr-03-2013 17:55
    • Replies: 3
    • Views: 523
    bigbud hoop
    Apr-04-2013, 08:12 Go to last post

  13. Question Lighting Question

    Started by relentlesstech, Mar-13-2013 11:40
    2 Attachment(s)
    • Replies: 2
    • Views: 539
    Shovelhandle
    Mar-14-2013, 16:18 Go to last post

  14. how much ventilation

    Started by speedfreak340, Mar-05-2013 13:19
    • Replies: 3
    • Views: 406
    Farmer Rich
    Mar-11-2013, 17:25 Go to last post

  15. What light should i use?

    Started by DemoMaas, Feb-25-2013 13:49
    • Replies: 1
    • Views: 793
    polishpollack
    Feb-25-2013, 23:34 Go to last post

  16. Need to cut off electricity to lights if A/C fails

    Started by THC7, Feb-20-2013 17:11
    • Replies: 2
    • Views: 327
    XXXJAYXXX
    Feb-20-2013, 21:03 Go to last post

  17. Ultra-Efficient LEDs developed by MIT

    Started by medicinegivers, Feb-16-2013 15:05
    efficiency, led, light
    • Replies: 4
    • Views: 367
    medicinegivers
    Feb-17-2013, 11:31 Go to last post

  18. CFL to start of 2 plants??

    Started by drew225, Oct-09-2012 10:35
    • Replies: 5
    • Views: 883
    ghostwolf
    Feb-15-2013, 13:36 Go to last post

  19. advice with lights needed =(

    Started by Cannabinoidzz, Feb-13-2013 17:49
    • Replies: 3
    • Views: 527
    Dutch Pimp
    Feb-13-2013, 19:18 Go to last post

  20. New Induction Grow light

    Started by RackitMan, Jul-20-2009 21:48
    10 Pages •
    1 2 3 ... 10
    induction lights, led grow 34 Attachment(s)
    • Replies: 232
    • Views: 56,821
    Deesnut's
    Feb-11-2013, 11:40 Go to last post

  21. HPS in Veg

    Started by kest30, Jan-19-2013 12:24
    cycle, hps, hps vs. mh, internode, veg
    • Replies: 2
    • Views: 453
    kest30
    Feb-08-2013, 21:31 Go to last post

  22. Help me decide on a light

    Started by zany90, Jan-05-2013 17:03
    • Replies: 3
    • Views: 532
    rudolfskis
    Feb-06-2013, 06:32 Go to last post

  23. cfl mounting/hanging question

    Started by Brown thumb, Jan-26-2013 23:38
    1 Attachment(s)
    • Replies: 6
    • Views: 450
    Brown thumb
    Jan-27-2013, 23:22 Go to last post

  24. old

    Started by justagrowr, Jan-22-2013 09:01
    • Replies: 2
    • Views: 293
    painretreat
    Jan-23-2013, 18:12 Go to last post

  25. how would you setup a 150w hps + cfl's

    Started by Brown thumb, Jan-09-2013 11:01
    1 Attachment(s)
    • Replies: 14
    • Views: 648
    low_rdr
    Jan-15-2013, 08:42 Go to last post

  26. 600w HPS Lighting Question. Total Newbie so please be gentle

    Started by kidchemistry, Dec-25-2012 20:31
    • Replies: 3
    • Views: 900
    kidchemistry
    Jan-12-2013, 04:02 Go to last post

  27. Ballast to light question

    Started by drew225, Jan-12-2013 00:17
    • Replies: 0
    • Views: 228
    drew225
    Jan-12-2013, 00:17 Go to last post

  28. Question 3:1 vs all 27k

    Started by Aliens, Jan-04-2013 20:03
    • Replies: 1
    • Views: 267
    Aliens
    Jan-11-2013, 20:35 Go to last post

  29. Do i need a ballast?

    Started by New, Sep-07-2011 18:26
    250w, ballast, bulb, grow light, hps
    • Replies: 5
    • Views: 1,299
    Admiralgro
    Jan-07-2013, 09:28 Go to last post

  30. Ballast question

    Started by Admiralgro, Jan-06-2013 18:12
    • Replies: 2
    • Views: 261
    Admiralgro
    Jan-07-2013, 06:28 Go to last post

  31. Getting a hummer

    Started by Gatekeeper777, Jan-05-2013 11:13
    • Replies: 2
    • Views: 260
    Gatekeeper777
    Jan-06-2013, 10:42 Go to last post

  32. Need Help With Wavelength and Spectrum, LED...

    Started by gnx, Jul-16-2011 05:23
    7 Attachment(s)
    • Replies: 22
    • Views: 6,189
    Weezard
    Dec-22-2012, 03:37 Go to last post

  33. Lightbulb Shop lights for vegetative growth...

    Started by Dat Boi Rube, Dec-12-2012 12:15
    • Replies: 1
    • Views: 472
    Salvein211
    Dec-20-2012, 01:06 Go to last post

  34. Dimming a magnetic ballast?

    Started by XXXJAYXXX, Dec-15-2012 23:58
    • Replies: 8
    • Views: 586
    LOC NAR on probation
    Dec-18-2012, 10:24 Go to last post

  35. Grow Light Options Discussion

    Started by knowboddy, Oct-25-2012 14:04
    grow lights, hps lights, led, metal halide, plasma 6 Attachment(s)
    • Replies: 8
    • Views: 816
    tre93543
    Dec-16-2012, 18:04 Go to last post

  36. Another "How do I hang my light" Thread

    Started by TheBonsaiGuy, Nov-18-2012 12:47
    • Replies: 2
    • Views: 603
    VickiR
    Dec-13-2012, 18:39 Go to last post

  37. can you alter the dark and light hours?

    Started by GanjaGooch, Dec-10-2012 16:16
    • Replies: 15
    • Views: 616
    higher_than_you
    Dec-12-2012, 16:54 Go to last post

  38. 12/1 Veg lighting ...anyone tried this?

    Started by Mainely Growing Weed, Nov-19-2012 05:26
    7 Attachment(s)
    • Replies: 18
    • Views: 1,168
    DrFever
    Dec-10-2012, 10:23 Go to last post

  39. Why is there not a 800 Watt HPS system? I need the appropiate system for a 4x4 room.

    Started by joewig1980, Aug-09-2011 09:43
    3 Attachment(s)
    • Replies: 14
    • Views: 1,161
    DrFever
    Dec-09-2012, 16:29 Go to last post

  40. Lighting for my box

    Started by TheWickedApple, Sep-18-2012 16:07
    • Replies: 3
    • Views: 531
    rudolfskis
    Dec-09-2012, 10:39 Go to last post

  41. Need help running HPS/Metal H lamp...No instructions HELP

    Started by rudolfskis, Nov-04-2012 07:06
    • Replies: 2
    • Views: 394
    rudolfskis
    Dec-09-2012, 08:47 Go to last post

  42. Questions for CFLs for side lighting

    Started by drew225, Oct-18-2012 15:52
    • Replies: 1
    • Views: 372
    ghost83
    Dec-08-2012, 11:04 Go to last post

  43. Adding CFLs Below Canopy to Supplement 400HPS Scrog?

    Started by Scruggs, Aug-31-2012 13:37
    1 Attachment(s)
    • Replies: 5
    • Views: 820
    VickiR
    Nov-24-2012, 17:29 Go to last post

  44. Reflective walls, and set up!

    Started by daozen, Feb-15-2012 21:55
    • Replies: 1
    • Views: 682
    kest30
    Nov-23-2012, 16:56 Go to last post

  45. HPS wattage

    Started by hickpop, Nov-14-2012 08:38
    • Replies: 1
    • Views: 314
    Dutch Pimp
    Nov-14-2012, 10:25 Go to last post

  46. Cool Best hydro Led grow room setup??

    Started by Mr.Bman, Nov-01-2012 14:23
    best yield, hydroponic, led grow, setup, stealth
    • Replies: 2
    • Views: 1,188
    Mr.Bman
    Nov-01-2012, 17:19 Go to last post

  47. how much light do i need

    Started by squirrelkilla, Oct-19-2012 21:50
    • Replies: 11
    • Views: 841
    Kevin_00
    Oct-23-2012, 16:26 Go to last post

  48. is there a difference?

    Started by demo, Oct-23-2012 04:04
    • Replies: 1
    • Views: 433
    domnic0723
    Oct-23-2012, 04:29 Go to last post

  49. WHere to start w LED

    Started by SOG420, Oct-20-2012 15:22
    • Replies: 0
    • Views: 429
    SOG420
    Oct-20-2012, 15:22 Go to last post

  50. Question HID Lights

    Started by Doc401, Oct-19-2012 13:27
    • Replies: 4
    • Views: 345
    emilya
    Oct-20-2012, 01:22 Go to last post

  51. Sunblaster t5ho help

    Started by shadowschild, Oct-14-2012 19:11
    • Replies: 1
    • Views: 313
    emilya
    Oct-14-2012, 22:12 Go to last post

  52. Switching from MH to HPS

    Started by drew225, Oct-08-2012 10:51
    • Replies: 4
    • Views: 575
    LOC NAR on probation
    Oct-09-2012, 10:37 Go to last post

  53. bulbs

    Started by cj5787, Oct-05-2012 16:01
    • Replies: 1
    • Views: 375
    LOC NAR on probation
    Oct-06-2012, 08:45 Go to last post

  54. First time growing am I doing anything right?? Please look

    Started by drew225, Sep-25-2012 01:11
    5 Attachment(s)
    • Replies: 14
    • Views: 844
    drew225
    Oct-05-2012, 10:23 Go to last post

  55. 2 1000 watt HPS

    Started by biggz1115, Oct-04-2012 01:59
    • Replies: 2
    • Views: 374
    biggz1115
    Oct-05-2012, 04:47 Go to last post

  56. CFL lighting, 2700k and 5500k at the same time?

    Started by TheWickedApple, Sep-28-2012 09:39
    • Replies: 0
    • Views: 596
    TheWickedApple
    Sep-28-2012, 09:39 Go to last post

  57. 2 400 watters.....

    Started by biggz1115, Sep-27-2012 23:06
    • Replies: 0
    • Views: 372
    biggz1115
    Sep-27-2012, 23:06 Go to last post

  58. For a 3x3 space, how much light is best? (and what type)

    Started by Kaleidoscope Mind, Sep-27-2012 21:30
    • Replies: 0
    • Views: 578
    Kaleidoscope Mind
    Sep-27-2012, 21:30 Go to last post

  59. is a 200 hundred watt cfl to mcuh light and heat 4 inches away from seedlings

    Started by billydakid6812, Sep-26-2012 15:03
    4 Attachment(s)
    • Replies: 9
    • Views: 777
    silent leprechaun
    Sep-26-2012, 18:09 Go to last post

  60. Power/Electricity

    Started by biggz1115, Sep-23-2012 09:49
    • Replies: 1
    • Views: 469
    HipsterDoofus
    Sep-23-2012, 10:33 Go to last post

  61. Mh/hps bulb safety?

    Started by grownoob514, Sep-22-2012 19:33
    • Replies: 0
    • Views: 272
    grownoob514
    Sep-22-2012, 19:33 Go to last post

  62. Stopping light leak from Rubbermaid box

    Started by Resisting Nut, Sep-11-2012 19:32
    1 Attachment(s)
    • Replies: 2
    • Views: 461
    Resisting Nut
    Sep-12-2012, 09:42 Go to last post

  63. Cheapest Lighting

    Started by KnowledgeIsPower, Aug-22-2012 20:01
    • Replies: 12
    • Views: 691
    jiggsaw
    Sep-08-2012, 03:03 Go to last post

  64. Deodorizing Bulb?

    Started by KnowledgeIsPower, Aug-25-2012 18:04
    • Replies: 2
    • Views: 356
    KnowledgeIsPower
    Aug-30-2012, 17:26 Go to last post

  65. Opinions...please?

    Started by wildturkey, Aug-28-2012 10:47
    • Replies: 1
    • Views: 427
    Dutch Pimp
    Aug-28-2012, 12:30 Go to last post

  66. Cool Replace 400W HID for LED???

    Started by delbwoy77, Mar-07-2012 15:25
    led grow, led grow lights, led grow panel, led lights 2 Attachment(s)
    • Replies: 15
    • Views: 2,508
    luke3525
    Aug-28-2012, 04:11 Go to last post

  67. Do cfl lights have to be close to the plants always?

    Started by jiggsaw, Nov-19-2011 23:50
    2 Pages •
    1 2
    14 Attachment(s)
    • Replies: 26
    • Views: 13,646
    tysonjf
    Aug-25-2012, 05:43 Go to last post

  68. please help with flowering stage

    Started by THC IS FOR ME, Aug-22-2012 22:28
    1 Attachment(s)
    • Replies: 1
    • Views: 563
    Leonardo de Garden
    Aug-22-2012, 22:35 Go to last post

  69. Question Best Light Spectrum Colour For A CFL Grow?

    Started by ganjhound, Apr-07-2012 08:11
    cfl's, colors, fluorescent, lights, spectrum
    • Replies: 8
    • Views: 3,096
    Nelson Quebec
    Aug-21-2012, 17:32 Go to last post

  70. Ckecking LED temps with an Infrared Thermometer

    Started by DaveInAlberta, Aug-15-2012 19:56
    • Replies: 0
    • Views: 348
    DaveInAlberta
    Aug-15-2012, 19:56 Go to last post

  71. Question The good old LED's, Need some help please

    Started by Dr.Payne, Jun-09-2012 20:26
    • Replies: 5
    • Views: 911
    DaveInAlberta
    Aug-15-2012, 19:52 Go to last post

  72. Question about LED lights

    Started by MG.Snake, Aug-11-2012 08:08
    • Replies: 7
    • Views: 2,006
    domnic0723
    Aug-15-2012, 04:58 Go to last post

  73. duel light fixture, how do you wire it to an outlet?

    Started by diablo24life, Jul-23-2012 10:28
    • Replies: 2
    • Views: 495
    rocklobster4040
    Aug-12-2012, 18:00 Go to last post

  74. Cool Tube CFM ratings?

    Started by XXXJAYXXX, Aug-11-2012 14:31
    • Replies: 0
    • Views: 490
    XXXJAYXXX
    Aug-11-2012, 14:31 Go to last post

  75. Lighting Advice needed...moving to bigger grow

    Started by rocklobster4040, Aug-11-2012 10:28
    • Replies: 0
    • Views: 527
    rocklobster4040
    Aug-11-2012, 10:28 Go to last post

  76. I need some expert advice

    Started by m420king, Aug-08-2012 14:20
    cannibus, cfl, flower, lighting, marijuana
    • Replies: 2
    • Views: 504
    m420king
    Aug-09-2012, 04:13 Go to last post

  77. Exclamation Can i use a red spec cfl bulb for vegatative growth?

    Started by ganjhound, Apr-10-2012 05:59
    blue, cfl, lights, red, spectrum
    • Replies: 11
    • Views: 2,129
    icangrowit
    Jul-29-2012, 23:41 Go to last post

  78. should i hang the lights at the top or at the sides?

    Started by diablo24life, Jul-26-2012 17:54
    • Replies: 2
    • Views: 496
    diablo24life
    Jul-26-2012, 18:39 Go to last post

  79. Question Will 300W CFL's work??

    Started by LarryB, Jul-13-2012 22:11
    • Replies: 5
    • Views: 1,678
    jiggsaw
    Jul-16-2012, 21:00 Go to last post

  80. LR1000 Shade Dimensions?

    Started by XXXJAYXXX, Jul-14-2012 12:55
    1 Attachment(s)
    • Replies: 2
    • Views: 382
    XXXJAYXXX
    Jul-15-2012, 13:17 Go to last post

  81. Need some opinions.

    Started by psuesdoscience, Jul-08-2012 16:49
    • Replies: 0
    • Views: 425
    psuesdoscience
    Jul-08-2012, 16:49 Go to last post

  82. Exclamation t-5 t-8 and t-12 Lighting Discussion

    Started by Veterror, Jul-05-2012 18:26
    • Replies: 8
    • Views: 888
    drudown11
    Jul-07-2012, 14:33 Go to last post

  83. 4 crappy plants 2 crappy bulbs

    Started by chiseler, Jul-05-2012 10:35
    2 Attachment(s)
    • Replies: 1
    • Views: 468
    WeayLay
    Jul-05-2012, 18:11 Go to last post

  84. Cool re-install of chiller and dehumidifier, and 8 banks of leds....

    Started by Native¥organicfarmer, Jun-19-2012 13:27
    • Replies: 1
    • Views: 849
    Native¥organicfarmer
    Jun-19-2012, 13:50 Go to last post

  85. Do CFLs produce more heat/W or more light/W than HPS?

    Started by Powernoob, Jun-16-2012 16:21
    • Replies: 3
    • Views: 1,297
    WeayLay
    Jun-18-2012, 19:34 Go to last post

  86. Question Need Opinion of experienced growers

    Started by WeedisMyNeed, Jun-09-2012 10:15
    • Replies: 1
    • Views: 612
    CFLhydro
    Jun-15-2012, 13:40 Go to last post

  87. First time grower need help

    Started by WeedisMyNeed, Jun-09-2012 00:18
    1 Attachment(s)
    • Replies: 5
    • Views: 725
    WeedisMyNeed
    Jun-09-2012, 10:58 Go to last post

  88. Dimmable ballast questions

    Started by allando, Apr-24-2012 14:59
    • Replies: 2
    • Views: 1,146
    allando
    Apr-28-2012, 11:54 Go to last post

  89. anybody buy led grow light from china?

    Started by sandylaser, Apr-25-2012 03:29
    • Replies: 5
    • Views: 2,094
    silent leprechaun
    Apr-27-2012, 07:35 Go to last post

  90. anybody know the busybeeled company

    Started by sandylaser, Apr-25-2012 05:05
    • Replies: 0
    • Views: 672
    sandylaser
    Apr-25-2012, 05:05 Go to last post

  91. LED News

    Started by RackitMan, Feb-22-2012 13:57
    • Replies: 6
    • Views: 1,088
    workintoohard
    Apr-24-2012, 13:16 Go to last post

  92. Cool Need help with light?

    Started by rkyhigh89, Apr-24-2012 02:54
    • Replies: 1
    • Views: 727
    BUDS-UP
    Apr-24-2012, 09:30 Go to last post

  93. Question hello there

    Started by MR.GREEN 3, Apr-20-2012 19:21
    • Replies: 3
    • Views: 741
    Gnatty
    Apr-21-2012, 17:15 Go to last post

  94. cfl bulb flickers.

    Started by adiitaff, Apr-19-2012 15:07
    • Replies: 0
    • Views: 629
    adiitaff
    Apr-19-2012, 15:07 Go to last post

  95. Basic light socket to HID conversion: will it work?

    Started by PurpFreshy, Apr-07-2012 23:41
    conversion, hid, idea
    • Replies: 3
    • Views: 654
    PurpFreshy
    Apr-08-2012, 11:10 Go to last post

  96. LED Modular Growing System (=600W HPS)

    Started by einfinity, Mar-19-2012 14:57
    2 Attachment(s)
    • Replies: 8
    • Views: 716
    einfinity
    Apr-03-2012, 03:02 Go to last post

  97. Designing LED grow panel

    Started by WeayLay, Mar-09-2012 05:07
    1 Attachment(s)
    • Replies: 13
    • Views: 1,635
    Weezard
    Mar-30-2012, 13:42 Go to last post

  98. 430watt hps bulbs on a 400 watt ballast....

    Started by joedirte, Apr-04-2009 20:57
    • Replies: 11
    • Views: 2,964
    Higzy
    Mar-21-2012, 08:40 Go to last post

  99. 24 on 24 Off ?!?!

    Started by Shadowskunkskankin, Mar-14-2012 16:12
    • Replies: 2
    • Views: 320
    Minnesnowta
    Mar-15-2012, 01:43 Go to last post

  100. Cool Lights for vegetation advice

    Started by delbwoy77, Mar-08-2012 15:54
    • Replies: 2
    • Views: 823
    WeayLay
    Mar-12-2012, 23:44 Go to last post
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