Forum: Grow Lighting

HPS, MH, CFL, LED, etc.

  1. Sticky Thread Sticky: LEDs, Lumes & LUX

    Started by Blazer420, 02-05-2014 11:44 AM
    • Replies: 13
    • Views: 16,680
    08-27-2017, 07:47 AM Go to last post
  2. Sticky Thread Sticky: The Basics Of Plant Lighting

    Started by Hosebomber, 02-01-2013 03:59 PM
    21 Pages
    1 2 3 4 5 6 7 8 9 10 ... 21
    • Replies: 311
    • Views: 201,855
    08-16-2015, 05:32 PM Go to last post
  3. Sticky Thread Sticky: LED Sponsor Guidelines - Please Read

    Started by 420, 09-24-2014 05:27 PM
    • Replies: 0
    • Views: 41,962
    09-24-2014, 05:27 PM Go to last post
  1. LED coverage vs actual watts

    Started by Northlight®, Today 01:52 AM
    coverage, led, light, pages, some
    • Replies: 13
    • Views: 200
    Today, 02:57 PM Go to last post
  2. LED lights

    Started by Alen206, Yesterday 03:06 PM
    2 Pages
    1 2
    grow, led, watch, tent, inside
    • Replies: 24
    • Views: 279
    Yesterday, 08:27 PM Go to last post
  3. A thread for the users of Mars-Hydro lamps

    Started by DeVille, 05-28-2017 05:00 AM
    15 Pages
    1 2 3 4 5 6 7 8 9 10 ... 15
    discussion, grow tent, led light, mars hydro, mars pro ii
    • Replies: 224
    • Views: 23,998
    Yesterday, 03:31 PM Go to last post
  4. 6040-F2525 A1 COB - Legit or cheap knockoff?

    Started by JGibs420, 09-02-2017 11:20 AM
    3 Pages
    1 2 3
    high, cob, led, light, dont
    • Replies: 42
    • Views: 2,174
    Yesterday, 06:13 AM Go to last post
  5. Can I Use These For Germination & Seedlings?

    Started by Jigger, 09-23-2017 05:50 PM
    grolux, have, lights, these, would
    • Replies: 0
    • Views: 127
    09-23-2017, 05:50 PM Go to last post
  6. Growing with GROWant GR240

    Started by Killer420R, 09-18-2017 06:29 AM
    critical, kush, gr240, growant, growing
    • Replies: 4
    • Views: 434
    09-23-2017, 08:20 AM Go to last post
  7. Extra Lights In My 2x4 Grow Tent!

    Started by kiriwichi, 09-22-2017 12:29 PM
    extra, extra lighting, led, lights, viparspectra
    • Replies: 3
    • Views: 204
    09-23-2017, 04:12 AM Go to last post
  8. LED Maintenance!

    Started by improvise, 09-22-2017 02:13 PM
    air, clean, have, them, what
    • Replies: 1
    • Views: 208
    09-22-2017, 02:16 PM Go to last post
  9. Need new LED help me

    Started by DirtBagg, 09-17-2017 05:58 PM
    2 Pages
    1 2
    have, tent, could, led, mars
    • Replies: 21
    • Views: 909
    09-22-2017, 06:21 AM Go to last post
  10. Infrared light?

    Started by raoulspoleti, 09-21-2017 09:26 AM
    any, light, anybody, have, info
    • Replies: 2
    • Views: 259
    09-21-2017, 02:14 PM Go to last post
  11. Talking Help choice of HPS or LED

    Started by buddhamel40, 09-15-2017 08:43 PM
    farm, hps, hydro, led, spectrum
    • Replies: 7
    • Views: 612
    09-21-2017, 03:48 AM Go to last post
  12. Ceramic Metal Halide lighting anybody?

    Started by Newguyhere, 10-01-2015 04:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 4,213
    09-19-2017, 02:51 PM Go to last post
  13. 4 300W LED for 4 plants

    Started by MrSwishaa, 08-29-2017 08:43 PM
    lights, galaxy, hydro, led, plant
    • Replies: 8
    • Views: 1,322
    09-19-2017, 01:21 PM Go to last post
  14. COBs - DIY or buy?

    Started by Lonestar11, 07-31-2017 10:52 AM
    8 Pages
    1 2 3 4 5 6 7 8
    have, cobs, pictures, would, results
    • Replies: 115
    • Views: 10,560
    09-19-2017, 01:06 PM Go to last post
  15. Need help with LED

    Started by Aivix, 09-19-2017 10:12 AM
    fix, grow, led, one, weed
    • Replies: 2
    • Views: 373
    09-19-2017, 10:43 AM Go to last post
  16. Full spectrum LED bulbs

    Started by Newtothis4208, 09-18-2017 06:30 PM
    just, full, spectrum, bulbs, led
    • Replies: 1
    • Views: 407
    09-18-2017, 06:35 PM Go to last post
  17. Infrared light

    Started by Thyming, 08-29-2017 06:31 AM
    infrared, plants, know, anyone, can
    • Replies: 7
    • Views: 1,313
    09-15-2017, 07:21 PM Go to last post
  18. Vertical HID Grow

    Started by Torst, 09-15-2017 02:50 PM
    just, setup, sold, think, vertical
    • Replies: 0
    • Views: 499
    09-15-2017, 02:50 PM Go to last post
  19. Anyone have an Apogee AGP-MQ-500 quantum meter?

    Started by fanleaf, 08-31-2016 10:07 PM
    5 Pages
    1 2 3 4 5
    because, have, just, one, wondering
    • Replies: 70
    • Views: 12,176
    09-14-2017, 07:18 PM Go to last post
  20. 10x15 feet grow room

    Started by kenneth65, 09-14-2017 05:13 AM
    dont, grow, lighting, room, when
    • Replies: 3
    • Views: 615
    09-14-2017, 09:44 AM Go to last post
  21. COB color and lens vs reflector questions

    Started by Greenfing, 08-23-2017 08:01 AM
    2 Pages
    1 2
    also, cob, cobs, some, will
    • Replies: 20
    • Views: 2,072
    09-13-2017, 08:35 PM Go to last post
  22. Help with lighting and grow size

    Started by Phytoplankton, 09-09-2017 01:17 PM
    2 Pages
    1 2
    have, size, watt, what, would
    • Replies: 20
    • Views: 1,172
    09-13-2017, 05:54 PM Go to last post
  23. SunPlus - Blooming LED

    Started by Techman, 08-29-2017 05:24 AM
    bloomingled, led, panel, will, you
    • Replies: 3
    • Views: 1,230
    09-13-2017, 05:28 PM Go to last post
  24. Mars2 replacement LED?

    Started by wilson2, 06-24-2017 11:49 PM
    2 Pages
    1 2
    been, hps, ive, just, mars2
    • Replies: 16
    • Views: 3,063
    09-13-2017, 02:11 AM Go to last post
  25. Lightbulb Looking for best advice

    Started by Keepitclean, 09-07-2017 01:51 AM
    2 Pages
    1 2
    advice, any, best, mars, one
    • Replies: 28
    • Views: 1,551
    09-12-2017, 07:40 PM Go to last post
  26. Sun Systems LEC 315

    Started by captainkirk, 01-26-2016 05:13 AM
    2 Pages
    1 2
    about, growing, have, lec, sun
    • Replies: 15
    • Views: 5,534
    09-12-2017, 05:27 PM Go to last post
  27. Mix bulbs in a CMH 630?

    Started by Blazed227, 09-12-2017 04:13 AM
    but, kind, same, should, use
    • Replies: 0
    • Views: 631
    09-12-2017, 04:13 AM Go to last post
  28. LED Light to small growbox?

    Started by kimajo, 09-09-2017 04:55 AM
    grow, led, light, will
    • Replies: 2
    • Views: 769
    09-12-2017, 01:28 AM Go to last post
    • Replies: 57
    • Views: 3,616
    09-11-2017, 08:26 AM Go to last post
  29. 300 Watt Mars LED Light

    Started by quinny, 09-11-2017 05:22 AM
    get, light, led, mars, square
    • Replies: 5
    • Views: 730
    09-11-2017, 05:52 AM Go to last post
  30. Reading PAR

    Started by bebecillo, 09-07-2017 06:24 PM
    2 Pages
    1 2
    led, par, conversion, reports, reading
    • Replies: 19
    • Views: 1,366
    09-10-2017, 07:35 PM Go to last post
    • Replies: 3
    • Views: 973
    09-08-2017, 02:04 AM Go to last post
  31. Mars Hydro - Why Not Make COB LED Grow Light ?

    Started by SmokeSara, 06-21-2016 02:44 AM
    2 Pages
    1 2
    cob, grow, light, not, why
    • Replies: 18
    • Views: 10,555
    09-07-2017, 06:00 PM Go to last post
  32. How close can you keep a 300 watt CFL

    Started by quinny, 09-07-2017 11:23 AM
    watt, cfl, canna, light, cos
    • Replies: 2
    • Views: 833
    09-07-2017, 11:32 AM Go to last post
  33. Mars Hydro 900w question

    Started by Mr289, 09-06-2017 12:25 PM
    led, mars, hydro, 900w, need
    • Replies: 3
    • Views: 885
    09-06-2017, 10:06 PM Go to last post
  34. Exclamation Mars II 700 Burned LEDs - Fire Hazard?

    Started by sundrop, 09-06-2017 11:07 AM
    burned, heat, use, would, you
    • Replies: 2
    • Views: 891
    09-06-2017, 06:26 PM Go to last post
  35. LED strip

    Started by Andersvalide, 08-22-2017 12:20 AM
    cardboard, grow beginner, led, led strips, student
    • Replies: 14
    • Views: 1,690
    09-06-2017, 02:07 PM Go to last post
  36. First time grower

    Started by SanSharafi, 09-02-2017 09:09 AM
    how, led, light, tips, using
    • Replies: 2
    • Views: 1,039
    09-05-2017, 06:15 PM Go to last post
  37. COB & Heatsink Question

    Started by Management, 09-04-2017 07:30 PM
    cobs, heatsink, not, since, would
    • Replies: 0
    • Views: 956
    09-04-2017, 07:30 PM Go to last post
  38. When to change to a 600watt

    Started by tyroncurtis42, 09-04-2017 02:48 AM
    change, its, when, now, light
    • Replies: 2
    • Views: 966
    09-04-2017, 05:38 AM Go to last post
  39. What could have caused this

    Started by Blazed227, 09-03-2017 12:13 PM
    10-15, caused, could, look, what
    • Replies: 3
    • Views: 1,021
    09-03-2017, 12:58 PM Go to last post
  40. Thumbs up Sunmaster Finishing Deluxe Metal Halide 600W 10K

    Started by mh125cc, 09-03-2017 09:04 AM
    bulbs/lights, flowering, just, reviews, sunmaster
    • Replies: 0
    • Views: 999
    09-03-2017, 09:04 AM Go to last post
    • Replies: 2
    • Views: 1,132
    09-02-2017, 11:31 AM Go to last post
  41. Post Switch from HPS to LED Mid Veg Cycle

    Started by JBUptown, 06-06-2015 04:18 PM
    • Replies: 10
    • Views: 4,031
    09-01-2017, 11:25 PM Go to last post
  42. Distance from light to plant

    Started by KushGod, 08-04-2017 12:47 AM
    plant, distance, light, led, stages
    • Replies: 5
    • Views: 2,432
    08-30-2017, 09:53 AM Go to last post
  43. Question Do HPS Bulbs Age When NOT Used?

    Started by TorturedSoul, 08-29-2017 10:38 AM
    away, bulb, but, less, perform
    • Replies: 6
    • Views: 1,188
    08-30-2017, 02:23 AM Go to last post
  44. the fan flowing air threw the light

    Started by Buddahbuds199, 08-29-2017 01:38 PM
    light, matter, right, side, threads
    • Replies: 0
    • Views: 1,138
    08-29-2017, 01:38 PM Go to last post
  45. LED Flowering at 12/12 or 20/4

    Started by zeuss, 08-27-2017 09:31 PM
    12/12, flower 12/12, have, suggests, viparspectra
    • Replies: 2
    • Views: 1,337
    08-27-2017, 10:42 PM Go to last post
  46. Dimmable LED Question

    Started by Jin Terra, 08-27-2017 05:54 AM
    blue, dimmable, white, grow, red
    • Replies: 7
    • Views: 1,386
    08-27-2017, 03:02 PM Go to last post

Page 1 of 52 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051 ... LastLast

Forum Information and Options

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •