Advanced Techniques & Problems

If you're looking to tackle problems with your cannabis grow or take your grow to the next level you can learn about it here.
Sticky Threads
jumpincactus
  • Sticky
Understanding Effects Of Water With High Alkalinity
3 4 5
Replies
86
Views
28K
PauliBhoy
PauliBhoy
clockworx
  • Sticky
main-line topping ******best method******
25 26 27
Replies
535
Views
198K
Dank.in.Donuts
Dank.in.Donuts
Ricksauce
  • Sticky
Duds; Is It A Virus?
6 7 8
Replies
147
Views
34K
Vulcanofilo
Vulcanofilo
Smerb
  • Sticky
Plants In Dark For 4 Days..
8 9 10
Replies
198
Views
38K
paradoxlsot
paradoxlsot
K
  • Sticky
anyone ever tried real organic hydroponics?
8 9 10
Replies
192
Views
20K
tomatoesarecooltoo
tomatoesarecooltoo
Ambre
  • Sticky
Germination Bomb For Old Or Difficult Seeds
2 3 4
Replies
71
Views
32K
VDWG
VDWG
Capulator
  • Sticky
How light spectrum affects nutrient use in plant tissue...
9 10 11
Replies
202
Views
30K
jaguarlax
jaguarlax
ttystikk
  • Sticky
Water Chilling Q & A
16 17 18
Replies
341
Views
27K
SharkLasko
SharkLasko
GT21
  • Locked
  • Sticky
Ultraviolet-a/b Advanced.
2 3 4
Replies
79
Views
8K
Ignignokt
Ignignokt
EventHorizan
  • Locked
  • Sticky
The Bonsai Mother Technique..
Replies
13
Views
12K
DetGrnThumb
DetGrnThumb
jumpincactus
  • Sticky
Soil Terminology And Definitions
Replies
12
Views
2K
HairyRoots
HairyRoots
Normal Threads
5pointslo
Rust spots on leaves help
Replies
6
Views
104
growsince79
growsince79
Markymark123
Rust spots on fan leaves
Replies
5
Views
275
growsince79
growsince79
Lbelle1311
Second year grower, just found a few buds with bud rot and need help
2
Replies
31
Views
354
Ponky
Ponky
Girdling - Has anyone ever tried this technique before??
2
Replies
36
Views
6K
shaganja
shaganja
ImpulsiveGrower
Higher ppfd/par in VEG while using co2?
Replies
16
Views
352
Aqua Man
Aqua Man
Dopinder
Brown and white dots on leaves
3 4 5
Replies
87
Views
5K
Dopinder
Dopinder
ImpulsiveGrower
Using UVA thru out your whole grow
Replies
3
Views
85
ImpulsiveGrower
ImpulsiveGrower
7detMack
Is this normal first time grower they are both autoflowers first set of pics are the Bruce banner second set are gorilla glue
Replies
8
Views
131
7detMack
7detMack
jumpincactus
Sprouted Seed Tea (does This Really Work)?
2 3
Replies
56
Views
38K
We_Toke_Chronic
We_Toke_Chronic
EugeneTheGrower
How do I lower the humidity in the greenhouse
Replies
15
Views
207
EugeneTheGrower
EugeneTheGrower
Mc3822
Super silver haze yellowing near bottom at start of bloom
Replies
6
Views
136
GreenMtnGuru
GreenMtnGuru
Lbelle1311
Please help, yellowy bronze dots on my plants can't find what it is anywhere
Replies
9
Views
138
Ponky
Ponky
Frankster
The effects of GABA in cannabis plants
Replies
13
Views
761
GYOweed
GYOweed
Squatch61
PH, Water or Nutrient Issue
Replies
6
Views
127
Aqua Man
Aqua Man
Frankster
Tricking plants into thinking there's an insect infestation, can it be done, and how...
2 3
Replies
44
Views
861
wawa53
wawa53
MaryDankster
Russet mite treatment and solutions?
Replies
5
Views
338
wawa53
wawa53
Rickypohiogrower32
Consuming a small amount of earthworm castings probiotic beneficial or parasitic jungle?
Replies
14
Views
176
Aqua Man
Aqua Man
jamie84
What Are These These Bugs? Am I screwed?
Replies
3
Views
144
jamie84
jamie84
RastaHippie92
Is this the strain or a problem? Blackening of 1 stem in a few plants
Replies
1
Views
56
Santa.ClausHOHOHO
Santa.ClausHOHOHO
jimjam63
Negative affect of nearby Grape vine....?
2
Replies
26
Views
257
ComfortablyNumb
ComfortablyNumb
THCDK
Is this two different strains ?
Replies
7
Views
112
PipeCarver
PipeCarver
Wakenbaker
Whats happening with my plant?
Replies
4
Views
69
Wakenbaker
Wakenbaker
Madbudder
LSD isn’t budding outdoors (Last week of August)
Replies
16
Views
113
Madbudder
Madbudder
Rayzor420
Two weeks old with tricomes?
Replies
3
Views
119
ComfortablyNumb
ComfortablyNumb
furndis
New to growing, are these pollinated females, hermies or are they okay?
Replies
5
Views
81
furndis
furndis
P
  • Poll
Decreasing Light For Increased Trichome Prodution
2
Replies
33
Views
13K
PipeCarver
PipeCarver
Bigeddy15
Organic grow - yellow leaves - in flower - help!
Replies
9
Views
379
Imzzaudae
Imzzaudae
ghostgirl00
Nitrogen toxicity? Help ya girl out, plz.
2
Replies
23
Views
360
2Bad
2Bad
B
24-48 Hours of dark before harvest ??
3 4 5
Replies
98
Views
311K
Papa.Tango
Papa.Tango
ShanetheLame
Weird Spots on my LSD Plant. Plz help.
Replies
6
Views
93
EnrichedExtracts
EnrichedExtracts
anniesron
Please Help identifying leaf symptoms
Replies
1
Views
86
TripsRabbit
TripsRabbit
giedi_primes
Which machine to use for freeze drying?
Replies
4
Views
767
novazeus
novazeus
Pulse_90
Help, 1st time grower, 1 month old plant small!!
Replies
6
Views
189
Pulse_90
Pulse_90
Sh311Sh0ck3d
Cuttings to Clones. Just how I do it!
2
Replies
39
Views
2K
Sh311Sh0ck3d
Sh311Sh0ck3d
Slickrick82
Spiral lst cannabis plant happy 420#
Replies
0
Views
54
Slickrick82
Slickrick82
StretchMcGhee
Tiny white/light brown bug identification
Replies
5
Views
185
Pisano
Pisano
GreenBeagle
Need help! what is this?
Replies
11
Views
214
ComfortablyNumb
ComfortablyNumb
GarrPhunk
PPMs - Who,what,where,when, WHY ?
2 3
Replies
44
Views
499
GarrPhunk
GarrPhunk
Jimster
Pgrs...looking For Insight
Replies
9
Views
2K
Dirtbag
Dirtbag
detroiit
Day 57 showing signs of stress/herm possibility?
2
Replies
22
Views
280
detroiit
detroiit
cannaca9591
New on Ph - Yellowed leafs - purple stem
Replies
10
Views
240
cannaca9591
cannaca9591
Skeggox
Is this over watering or other issues?
3 4 5
Replies
86
Views
983
RealizedReal000
RealizedReal000
carlitosdamian
Leafed are getting yellow on the edges
Replies
8
Views
141
carlitosdamian
carlitosdamian
newnygrower
Stunted Growth - Yellowing of Leaves (Outdoor Natural Grow)
Replies
5
Views
134
socks4free
socks4free
sweett110365
One fan leaf turning brown
Replies
14
Views
216
Pushrod Monkey
Pushrod Monkey
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