Advanced Techniques & Problems

The best tips from industry pros and experienced growers. If you're looking to tackle problems with your cannabis grow or take your weed grow to the next level, you can learn about it here.
dorjewright
Botrytis
Replies
18
Views
4K
Seamaiden
Seamaiden
Capulator
really interesting partial history on PGR's
Replies
0
Views
763
Capulator
Capulator
L
it has four leaves 2 each side wierd have a look any thoughts??
Replies
9
Views
869
Seamaiden
Seamaiden
K
how necesary are air stones in the res exactly?
Replies
2
Views
1K
kushtrees
K
TheBioMaster
Changing Light Cycles
Replies
3
Views
2K
Capulator
Capulator
D
growing in spain
Replies
17
Views
13K
IPlay4Keepz
IPlay4Keepz
S
For you Geneticists
2 3 4
Replies
72
Views
5K
crom
crom
D
Grow room design issue different than the usual
Replies
13
Views
2K
dingfriesRdone
D
B
Mendo Purps Not Growing
Replies
5
Views
2K
Bombud 916
B
K
anyone make thier own sns217
Replies
2
Views
888
kushtrees
K
symbiote420
Where's the rule that says you have to flower under 12/12
Replies
15
Views
13K
symbiote420
symbiote420
cubby
Getting Outdoor Cuttings To Root.
Replies
10
Views
3K
PRODUCT
P
5
need expert help
Replies
2
Views
656
Capulator
Capulator
H
5 weeks in flower psychosis small buds trich's going amber already?
Replies
0
Views
1K
hydrophonics
H
click80
brown jelly
Replies
18
Views
6K
click80
click80
N
Co2
Replies
7
Views
1K
Elite Nugs
E
DowNwithDirT
  • Poll
When to Clean out the Lower Growth??
Replies
10
Views
1K
valleygrower
V
N
SNS-217: How long leave on plant?
Replies
9
Views
2K
Gaval
G
T
My room accidentally got seeded !!!!
Replies
10
Views
2K
Gaval
G
freegrow
Exotic lamps
Replies
10
Views
1K
Capulator
Capulator
efnscreenames
Nutrient sensitivity
Replies
6
Views
1K
efnscreenames
efnscreenames
S
Horiba Cardy Nitrate Meters for Measuring Sap Concentrations in Plant Leaves
2
Replies
39
Views
11K
ncga
ncga
1
smart meters
2
Replies
23
Views
4K
Seamaiden
Seamaiden
M
Goldfish in Our Reservoirs,,,,,
2 3
Replies
47
Views
7K
treetree
T
H
Lumens and Co2
Replies
1
Views
887
Farmer Jon
F
R
problem with new racing grow system
Replies
2
Views
683
revshi
R
H
help 5 weeks into flower and small buds
2
Replies
22
Views
20K
hydrotran
H
D
Help
Replies
2
Views
836
Dr.Green.Thumb
D
B
Fungus Gnats Solutions???
2 3 4
Replies
62
Views
31K
click80
click80
S
Disease Identification???? Lost branches
Replies
3
Views
801
Seamaiden
Seamaiden
K
super cropping
Replies
10
Views
2K
king_kronic
K
D
Manipulating the photoperiod ...
Replies
5
Views
2K
Dr.Dankz
Dr.Dankz
budboy299
tap water dechlorinator recipe
Replies
4
Views
3K
Bandit
B
Blucross
Timing
Replies
0
Views
671
Blucross
Blucross
P
Have any farmers been growing Candy Kush?
Replies
5
Views
3K
el boyo
E
M
Airpump location and CO2 Enrichment - Fact or Fiction?!
2
Replies
22
Views
9K
Chronic Monster
Chronic Monster
F
Granaddy purple ebb n gro dying***
Replies
3
Views
938
FromGROtoFLO
F
Chronic Monster
Seeking advice on how to test for molds & cannabinoid levels at home.
Replies
7
Views
820
1971
1
Surfr
Switch to 600's or vent the room?
Replies
7
Views
898
thefabman
T
dorjewright
Greencure white residue or pm?????
Replies
11
Views
3K
CannabisJohn
CannabisJohn
redman420
Hermaphrodite problems?
Replies
0
Views
638
redman420
redman420
L
Too FIM or not too FIM??
Replies
1
Views
983
jagle
jagle
D
question about lucas formula!
Replies
10
Views
5K
LEDhead
LEDhead
B
over dried
Replies
6
Views
870
xX Kid Twist Xx
xX Kid Twist Xx
LEDhead
Trichrome Sap ????
Replies
8
Views
13K
spinkus
S
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