Lights

Talk here about what lights are best to use for your grow.

Page 1 of 123
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. Dr.Autoflower
    Sticky

    How hot does a 250w cfl get

    Dr.Autoflower, Feb 25, 2011 ... 2 3 4
    Replies:
    65
    Views:
    28,218
    SmokeRich211
    Aug 14, 2019
  2. DonJones
    Sticky

    Light Spectrum Chart

    DonJones, Jun 22, 2009 ... 2
    Replies:
    20
    Views:
    24,986
    SmokeRich211
    Aug 14, 2019
  3. camcam
    Sticky

    Light Information

    camcam, Jun 21, 2008 ... 2
    Replies:
    30
    Views:
    19,289
    Alexphillips
    Mar 17, 2019
  4. ozzydiodude
    Sticky

    Light & Photosynthesis

    ozzydiodude, Jul 8, 2012
    Replies:
    6
    Views:
    8,541
    johnlevy
    Dec 28, 2017
  5. Kupunakane
    Sticky

    Let's help each other's Electric bill

    Kupunakane, Aug 6, 2007 ... 6 7 8
    Replies:
    155
    Views:
    42,276
    Michael94
    Feb 26, 2015
  6. Mutt
    Locked Sticky

    GrowFAQ-Florous

    Mutt, Mar 2, 2006
    Replies:
    5
    Views:
    17,238
    lisa
    Nov 20, 2008
  7. Mutt
    Locked Sticky

    HID light Operation cost Calculator

    Mutt, Mar 2, 2006
    Replies:
    6
    Views:
    13,819
    N1XON™
    Jun 12, 2008
  8. Mutt
    Locked Sticky

    GrowFAQ-Lighting-Basics

    Mutt, Mar 2, 2006
    Replies:
    3
    Views:
    26,993
    Mutt
    Mar 2, 2006
  9. automatic
    Locked Sticky

    Clarifying one of the great mysteries of gardening.

    automatic, Apr 5, 2005
    Replies:
    2
    Views:
    20,044
    joe blow
    Apr 5, 2005
  10. OregonGrownBud

    t5?

    OregonGrownBud, Oct 22, 2011
    Replies:
    13
    Views:
    992
    steamnapan
    Apr 3, 2020 at 10:17 PM
  11. RootsOne

    Tips for led lights

    RootsOne, Mar 31, 2020 at 10:35 PM
    Replies:
    5
    Views:
    116
    stinkyattic
    Apr 1, 2020 at 12:51 AM
  12. stonedwoodsman

    How much do Grow Lights cost to run?

    stonedwoodsman, Sep 5, 2019
    Replies:
    19
    Views:
    585
    AladinSane
    Mar 31, 2020 at 7:15 PM
  13. RAYMOND K CURTIS

    lights and electricity

    RAYMOND K CURTIS, Feb 27, 2020
    Replies:
    2
    Views:
    145
    thegloman
    Feb 28, 2020
  14. notthecops

    LED advice, pics etc...

    notthecops, Feb 4, 2020
    Replies:
    13
    Views:
    529
    stinkyattic
    Feb 20, 2020
  15. thcjoshthc

    mars tsw- 2000 led grow light

    thcjoshthc, Feb 19, 2020
    Replies:
    0
    Views:
    71
    thcjoshthc
    Feb 19, 2020
  16. ziggyross

    King LED 1000

    ziggyross, Feb 9, 2020
    Replies:
    6
    Views:
    177
    Hamster Lewis
    Feb 9, 2020
  17. Garge

    Led flower light advice

    Garge, Jan 25, 2020
    Replies:
    10
    Views:
    292
    raymont
    Jan 26, 2020
  18. QBCrocket

    light movement

    QBCrocket, Jan 5, 2020
    Replies:
    4
    Views:
    173
    QBCrocket
    Jan 5, 2020
  19. Lesso

    Lights for 5x5 coverage

    Lesso, Sep 28, 2019 ... 2 3
    Replies:
    49
    Views:
    2,535
    Lesso
    Dec 10, 2019
  20. oldfogey8

    Source(s) for DIY LED build?

    oldfogey8, Dec 8, 2019
    Replies:
    17
    Views:
    275
    oldfogey8
    Dec 9, 2019
  21. Sunny Jans

    what kind of led grow lights are you using now?

    Sunny Jans, Jan 11, 2019 ... 2 3 4
    Replies:
    68
    Views:
    3,620
    Ganja_Greg
    Dec 4, 2019
  22. cincy boy

    Ballast ?

    cincy boy, Mar 16, 2005
    Replies:
    4
    Views:
    2,657
    burnin1
    Nov 21, 2019
  23. Mart17

    Mars II 400

    Mart17, Oct 6, 2015
    Replies:
    10
    Views:
    1,660
    SmokeRich211
    Nov 17, 2019
  24. techrons78

    mars 2 full spec

    techrons78, Feb 26, 2015
    Replies:
    4
    Views:
    1,191
    Bruce111
    Nov 13, 2019
  25. The Hemp Goddess

    Mars II 300W vs Mars II 400W

    The Hemp Goddess, Apr 27, 2015 ... 3 4 5
    Replies:
    94
    Views:
    8,874
    Bruce111
    Nov 13, 2019
  26. Mick

    Can inline fans handle 2 cooltubes at once?

    Mick, Oct 8, 2019
    Replies:
    9
    Views:
    159
    Mick
    Oct 8, 2019
  27. JoseyWales

    King LED 1200W LED full spectrum Veg and flower

    JoseyWales, Sep 18, 2019 ... 2 3
    Replies:
    43
    Views:
    1,080
    Bruce111
    Sep 30, 2019
  28. QBCrocket

    Making the vispectra 400 work

    QBCrocket, Aug 7, 2019
    Replies:
    11
    Views:
    435
    Bruce111
    Sep 27, 2019
  29. MJ20

    LED or HID?

    MJ20, Sep 6, 2019 ... 2
    Replies:
    22
    Views:
    836
    Bruce111
    Sep 27, 2019
Showing threads 1 to 20 of 2,449

Thread Display Options

Loading...
Page 1 of 123
Group Builder