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Grow Light Discussion

Discuss lighting used for the cultivation of cannabis!
MesaBoogie
  • Sticky
PPFD/watt Grow Light buying reference
2 3
Replies
28
Views
3K
MesaBoogie
MesaBoogie
C
  • Poll
  • Sticky
What's the best lighting cycle for autos - 24/0, 20/4 or 18/6
53 54 55
Replies
541
Views
188K
derek420colorado
derek420colorado
ripster
  • Sticky
T5/CFL only thread (the manual)
26 27 28
Replies
270
Views
52K
kaaya149
K
Noods
  • Sticky
Light and Easy Basic CFL Info
7 8 9
Replies
86
Views
21K
Jakob
Jakob
JM
  • Sticky
Grow Light Guide - Comparison HID, CFL, Incadescent, MH, HPS
2
Replies
11
Views
11K
KonopCh
KonopCh
Magic
  • Sticky
Magic's Basic LED Guide
2 3 4
Replies
31
Views
42K
KonopCh
KonopCh
CappY
  • Sticky
Choosing the right HID lights for your growspace
2
Replies
16
Views
5K
Tony
Tony
don
  • Sticky
CFL orientation and distance charts
2 3 4
Replies
30
Views
14K
Inf3cted
I
ripster
  • Sticky
CFM Calculator link and an A/C BTU Calculator
Replies
0
Views
4K
ripster
ripster
H
LED advice in a small tent
2 3
Replies
20
Views
220
420autoflower
4
deeppurple
Is this enough for flowering
Replies
2
Views
38
420autoflower
4
Cerebral Goo
Best 5x5 Light(S) Setup?
Replies
5
Views
154
Olderfart
Olderfart
ThatOneKenGuy
SF 1000 on sale at Amazon for $76
Replies
2
Views
72
ThatOneKenGuy
ThatOneKenGuy
D
What ppfd values and height should I hang my leds at?
2
Replies
16
Views
242
RiseAboveTheFlame
R
M
Timer problems
Replies
2
Views
54
niwleini
N
Black Sail
No more mysteries about Emerson Effect, Flower Initiation, 80 vs 90 CRI
2
Replies
16
Views
5K
Olderfart
Olderfart
Dewey Matter
FM320 from RapidLED - anyone else using these (or the FM660)?
Replies
1
Views
63
Dewey Matter
Dewey Matter
sausagebutty
Help choosing a Kingbrite!
Replies
2
Views
94
elcoloan
elcoloan
D
Which one out these lights should I get?
Replies
7
Views
330
d0773d
D
Dreminem169
A run with the world’s brightest flashlight?
2
Replies
10
Views
232
BowHunt3r
BowHunt3r
C
Telos Mesh looks awesome
Replies
0
Views
54
CCNUGZ
C
S
Cheap Par Meter Hack
Replies
6
Views
295
monkee
M
OttoCBD
Mars Hydro TS 600 Users: What Distances are You Using?
2
Replies
12
Views
13K
Graphmo
G
Cerebral Goo
Anyone using Photontek or Lumatek?
Replies
5
Views
120
GreenBean
GreenBean
ExNavyInSTL
Moving Up In Tent Size - Can I Use My Current Light (for now)?
Replies
2
Views
73
Olderfart
Olderfart
L
Adding UVB light - guidance?
Replies
2
Views
107
Cerebral Goo
Cerebral Goo
A
Spider Farmer SE 7000 or Mars-Hydro FC-E6500
Replies
6
Views
160
JSH1973
JSH1973
J
Problem with timers or maybe the outlet ?
Replies
4
Views
103
Olderfart
Olderfart
Qbgrower
LED grow light glasses that fit over glasses
2
Replies
12
Views
318
Death The Cultivator
Death The Cultivator
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