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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.

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3 days in complete darkness for more trichomes

uberstuber
Nov 30, 2010

3 4 5

Replies: 94

Views: 30K

Jan 16, 2012

squiggly

Rooting With IBA

desertsquirrel
Aug 19, 2011

3 4 5

Replies: 93

Views: 36K

Jun 4, 2013

snoopytime

barebulb hedge growing and lanky strains

Capulator
Jan 16, 2013

3 4 5

Replies: 91

Views: 13K

Sep 7, 2015

ohthatguy8

Runoff Ph 5.1 and EC 3.1 what does this mean?

Bangarang
Jan 17, 2014

3 4 5

Replies: 90

Views: 13K

Nov 3, 2014

Bangarang

powdery mildew and dealing with it systemically

mateo
Apr 5, 2011

3 4 5

Replies: 89

Views: 17K

Oct 13, 2011

Capulator

flushing debate.

DixinCider
Apr 3, 2011

3 4 5

Replies: 89

Views: 29K

May 23, 2012

StonerB

Stunned growth/New growth lime green

goodbye95
Mar 18, 2023

3 4 5

Replies: 88

Views: 5K

Apr 11, 2023

SHiNi

Topping and Training Tech for Yields and Quality

ttystikk
Oct 3, 2011

3 4 5

Replies: 88

Views: 26K

Sep 19, 2012

jyip

RE under the scope (for medi)

desertsquirrel
Jun 23, 2011

3 4 5

Replies: 87

Views: 11K

Jul 27, 2017

Everett702

Cant get my humidity down

Eclipted
Jun 23, 2023

3 4 5

Replies: 87

Views: 4K

Jun 27, 2023

A4audinut

Is This Killing Me?!?!

Consentratez
Feb 21, 2016

3 4 5

Replies: 86

Views: 6K

Feb 24, 2016

Consentratez

Is this over watering or other issues?

Skeggox
Jul 22, 2021

3 4 5

Replies: 86

Views: 4K

Aug 9, 2021

RealizedReal000

gravity

stickyickyicky
Mar 5, 2010

3 4 5

Replies: 83

Views: 20K

Oct 8, 2011

jyip

Lollipopping: When and How Much?

pork
Mar 27, 2012

3 4 5

Replies: 82

Views: 203K

Nov 19, 2020

Nukesrt

Bulbs blackened on one side. (Pictures)

SodaLicious
Aug 11, 2012

3 4 5

Replies: 82

Views: 6K

Nov 10, 2012

tattoojim

Just thinking out loud about new tech and what the future might look like

ttystikk
Nov 14, 2013

3 4 5

Replies: 82

Views: 6K

Oct 15, 2014

basement bob

10 Year Grower Still Can't Clone :(

5ecret 5quirrel
Mar 5, 2019

3 4 5

Replies: 80

Views: 7K

Jun 23, 2019

guymandude

36 Hours of Darkness at the end of Harvest

Silk689
Feb 25, 2022

3 4 5

Replies: 80

Views: 5K

Mar 6, 2022

GetOffMyLand

Water cooled growrooms; if it works in your car...

ttystikk
Mar 24, 2011

3 4 5

Replies: 80

Views: 16K

Oct 30, 2011

ttystikk

Triacontanol

1971
Jun 6, 2011

2 3 4

Replies: 79

Views: 61K

Jul 10, 2021

GYOweed

Locked

Ultraviolet-a/b Advanced.

GT21
Feb 26, 2017

2 3 4

Replies: 79

Views: 14K

Jun 23, 2018

Ignignokt

Fan leaves in the way!

LA Woman
Dec 23, 2009

2 3 4

Replies: 77

Views: 12K

Mar 5, 2010

MASSES 420KING

Predatory Insects

Prestige
Apr 20, 2014

2 3 4

Replies: 76

Views: 6K

Apr 30, 2014

Prestige

Enough Soil?

GotPower
Jun 29, 2017

2 3 4

Replies: 76

Views: 4K

Jul 15, 2017

GotPower

Root aphid virus

cctt
Jul 24, 2012

2 3 4

Replies: 76

Views: 10K

Aug 30, 2012

Chobble

Help From Main Growers

Iceman2494
Oct 13, 2018

2 3 4

Replies: 75

Views: 3K

Oct 24, 2018

London bud

Plant Weakening Using Clones Of Clones… Of Clones

ziplock
Feb 17, 2016

2 3 4

Replies: 75

Views: 15K

Mar 14, 2023

nicolajanjak

Help me please? What wrong?

stlbad
Nov 6, 2023

2 3 4

Replies: 74

Views: 4K

Nov 9, 2023

Eclipted

What does your RO water ph at?

putembk
May 24, 2012

2 3 4

Replies: 74

Views: 51K

Dec 21, 2016

timmyTurner

24hr veg vs. 18/6 what do you do and why?

deep buddy
Aug 5, 2011

2 3 4

Replies: 74

Views: 70K

Oct 2, 2011

FastForward

Powdery Mildew Started-Do I Harvest?

jigglybones
Dec 20, 2009

2 3 4

Replies: 74

Views: 46K

Jul 10, 2018

PickleRick

powdery mildew days before harvest

mateo
Apr 13, 2011

2 3 4

Replies: 73

Views: 60K

Feb 9, 2015

stonestacker

Problems with some of my ladies

beckerjeremey29
May 11, 2022

2 3 4

Replies: 73

Views: 5K

May 19, 2022

E9noxis

Is The Water You Use The Best It Can Be? Structured Water. Why? And An Easy Diy

PhatNuggz
Jul 18, 2016

2 3 4

Replies: 72

Views: 14K

Aug 14, 2017

PhatNuggz

Harvesting revegging and harvesting again?

Foutwenty71
Jun 28, 2020

2 3 4

Replies: 72

Views: 5K

Jul 31, 2020

Foutwenty71

For you Geneticists

Sunbiz1
Jul 30, 2011

2 3 4

Replies: 72

Views: 5K

Aug 4, 2011

crom

Anyone Heard of Lowering Temps?

Thetinman
Apr 2, 2021

2 3 4

Replies: 72

Views: 5K

Apr 7, 2021

Thetinman

Using Hydro Buddy

Crysmatic
Aug 31, 2010

2 3 4

Replies: 71

Views: 33K

Dec 23, 2017

Crysmatic

Probleems In Coco.

Prevada 13
Jun 9, 2016

2 3 4

Replies: 71

Views: 8K

Mar 6, 2018

Irishmartin

Double potting Smart Pots?

Texas Kid
May 22, 2012

2 3 4

Replies: 70

Views: 21K

Jun 21, 2018

CaliDrewski

Easy method for: re-vegging regenerating

canadaseed
Jun 27, 2014

2 3 4

Replies: 70

Views: 34K

Apr 17, 2021

RookieBuds

Are You Finished!!!???

putembk
Jun 8, 2016

2 3 4

Replies: 70

Views: 5K

Jul 10, 2016

putembk

Electrical Issues. $$ Savings?

StrikeitRich
Aug 6, 2011

2 3 4

Replies: 70

Views: 7K

Sep 24, 2011

ogplatinum

Hermies\naners In Big Grow Rooms Identification And Elemenation..

Prevada 13
Aug 20, 2016

2 3 4

Replies: 69

Views: 5K

Aug 27, 2016

Prevada 13

Calling All Experts!!

jumpincactus
Feb 14, 2016

2 3 4

Replies: 68

Views: 5K

Feb 18, 2016

Limonene

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