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The Grow Room
Indoor Growing
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LED and other Lighting
Growing with LEDs / Inductive / Plasma etc.
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New DIY LED light
nfhiggs
Jun 17, 2017
8
9
10
Replies
183
Views
21K
Mar 30, 2018
ANC
The difference between relative and real spectral power
l0wbob2016
Mar 14, 2018
Replies
16
Views
2K
Mar 29, 2018
hybridway2
Update on Samsung F-Series Gen3 3500K grow light performance
Rider509
Dec 14, 2017
Replies
15
Views
4K
Mar 29, 2018
Rider509
A
are these anygood?
andre299
Mar 28, 2018
Replies
10
Views
603
Mar 28, 2018
andre299
A
What kind of gram per watt yields are you pulling under COBs/Quantum Boards/Strips?
skoomd
Mar 27, 2018
2
Replies
21
Views
8K
Mar 28, 2018
nfhiggs
R
PLC light bar
rollyouron
Mar 24, 2018
2
Replies
20
Views
1K
Mar 28, 2018
kushedy
K
K
Another strips or cobs thread
kushedy
Mar 28, 2018
Replies
4
Views
2K
Mar 28, 2018
kushedy
K
H
2 x 308 QB - 250W lamp build question
heksa
Mar 26, 2018
2
Replies
23
Views
2K
Mar 28, 2018
heksa
H
Ordering Parts for two quantum boards tonight, need feedback before I pull the trigger
DietCokehead
Mar 27, 2018
Replies
3
Views
401
Mar 27, 2018
CobKits
Help me build 4 vertical strips for my tent
Sour Wreck
Nov 9, 2017
7
8
9
Replies
169
Views
14K
Mar 27, 2018
Sour Wreck
Blue Amnesia Auto
GrowerCy
Mar 4, 2018
Replies
8
Views
733
Mar 27, 2018
GrowerCy
D
Upgrades and builds Lush, mars, hydrohut, t5
dito27
Dec 26, 2017
Replies
17
Views
1K
Mar 26, 2018
Randomblame
Crimea Blue with a cheap COB
THT
Jan 24, 2018
Replies
8
Views
782
Mar 26, 2018
THT
C
how hot should i expect a 240w meanwell
cobber
Mar 26, 2018
Replies
5
Views
1K
Mar 26, 2018
nevergoodenuf
C
how far is it practical to have a meanwell driver dc leads ?
cobber
Mar 25, 2018
Replies
15
Views
940
Mar 26, 2018
1212ham
1
N
Bridgelux EB-series distance to canopy?
NoobgrowerS
Mar 26, 2018
Replies
2
Views
620
Mar 26, 2018
NoobgrowerS
N
K
Would people buy a heatsink that allows water cooling?
ketchup45685224
Mar 24, 2018
2
Replies
30
Views
2K
Mar 26, 2018
Slinging PAR
S
C
help with mounting qb board on a heatsink
cobber
Mar 23, 2018
Replies
14
Views
963
Mar 25, 2018
cobber
C
C
HLG 550 vs HLG 600
csovfnst
Mar 24, 2018
Replies
1
Views
876
Mar 25, 2018
diyled
C
quantum light build footprint question
cobber
Mar 24, 2018
Replies
4
Views
388
Mar 25, 2018
Randomblame
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