Organics

Worm Farming

• Feeding the worms - Diet

• Worm farm mainteinance

• Starting a worm farm

• Worm Farming Reference Data

• Harvesting worm castings

• Using worm castings

Electrical & safety

• How do I convert watts to amps and amps to watts?

• The circuit which goes to my grow room only has two wires, but my light has a 3 prong plug, what should I do?

• GrowFAQ Electrical Safety Hazard Warning, The Physical Effects of Electricity

• How many lights/watts can I put on a 15 Amp service?

• What is an AFCI and why should I install one?

• How do I electrically map my place?

• How can I offset the energy usage of my grow room?

• Why has my timer switch failed and what should I do?

• When do I change my ballast components?

• What is a GFCI?

• Basic wire sizing guide for US 120 and 240 volts

• How do I build a short-range timer?

• How much power does my lamp really use?

• How do I wire a UK ballast?

• Do I need to install a GFCI in my grow room?

• How do I install a GFCI?

• How to turn a PC fan into an exhaust or intake fan?

• Can I use a dimmer switch to control the speed of my fan?

• How do I convert watts to amps?

• Basic electrical safety guidelines

• How safe are these MH and HPS lights?

• How do I wire and connect an in-line duct fan?

Getting started

• What books, magazines, and discussion forums will help me learn more about growing?

• Should I start my grow from clones or seeds?

• Do Roots REALLY grow in the dark?

• What should I know about ordering seeds and clones thru the mail?

• What is Marijuana and what effects could it have on me?

• What are common mistakes made by first time growers?

• How much will i yield?

• What are the different types of high associated with Indica, Sativa and hybrid strains?

• How do I choose a strain?

• How do they get strains to taste different?

Choosing your first system

• Hydro vs. Organic

• Should I buy a Phototron?

• Why should I grow using medium filled containers?

• Why should I grow using aeroponics?

• Why should I grow using hydroponics?

Growroom design and set-up

• Fan controler for under $30

• Is there a simple and cheap way to maintain water levels?

• What can I use to increase reflectivity?

• How can I vent through the sewer?

• How should I select my grow space?

• How do I add ventilation to my grow area?

• What range should I maintain for my growroom humidity and temperature?

• How do I design a fan powered cooling system for my growbox?

• How much ventilation do I need in my grow room?

• What are the different growth characteristics associated with Indica, Sativa and hybrid strains?

• How to dampen noise from PC fans

• DIY: How can I build a compact hood with an intergrated light trap?

• Should I choose a round or square pot for my plants?

• I've read that cannabis plants smell, what can I do about this?

• Where can I buy growing equipment and supplies?

• How do I power 12v computer fans?

• How much co2 should I add?

• How do I install a duct fan to operate most efficiently?

• Building your own inline fan

• What do I use to measure the nutrient and ph level?

• Stickydank’s basic CO2 method

• How much light do I need?

• What type of timer do I use with my lights?

• How do I rig an Electric Float Switch Reservoir Controller?

• Should I use a light mover?

• Growroom electrical & safety information

Seeds

• Why are F2 seeds less expensive?

• Should I start with bought seed?

• Which seeds should I buy?

• Marijuana seeds - Where can I buy marijuana seeds safely?

Lighting

• What is a suncircle? (circular light mover)

• GrowFAQ Electrical Safety Hazard Warning, The Physical Effects of Electricity

• How do I convert a common home security light into a remote ballast grow light?

• What are compact fluorescents and how can I use them for growing?

• Jackerspackle's Lighting Coverage Primer

• What do all of those lighting terms mean?

• How can I hang an adjustable reflector in a box-grow?

• Basic info on fluorescent lighting

• Can I use foil on my florescents?

• How can I add a glass shield to a reflector?

• What are light cycles and how do I use them?

• How do I build my own Cool Tube?

• PAR for plants, Lumen for people.

• Should I use a light mover?

• How can I improve the air flow in air cooled light hoods?

• Can blacklights be used for growing?

• How do I manipulate the photoperiod for larger yields?

• Metal Halide safety and fixture recommendations.

• How to read light level with an SLR camera?

• What distance should my light be from my plants?

• What is photosynthesis?

• How much will it cost to run my light?

Ballast information

• How can I build my own HPS or MH light system?

• Building and buying an HPS system

• Does the bulb have to match my ballast?

• What is a switchable ballast?

Identification and Comparison

• What is color temperature of a bulb?

• H.I.D bulb information

• Can I grow using halogen lights?

• What are Compact Fluorescents?

• H.I.D Light description

• When should I replace my lamp?

• What is a conversion bulb?

• HID vs. Fluorescents

• What type of lighting is best?

• How can I improve my indoor lighting?

• Close-up of MH and HPS bulbs.

Product information

• Bulb information and specifications

• Where can I buy MH/HPS lights?

Reflectivity

• How do I position a rectangular hood in my rectangular garden?

• All you need to know about Mylar

• How does hood orientation relate to efficiency?

• Can I use foil to reflect light?

• Is a dimpled or polished reflector better at reflecting light?

• Are mirrors good for reflecting light?

• What is black and white poly and how do I use it?

Fertilizing & feeding

• What are Macro-/Micro-Nutrients, and what is each responsible for?

• The never ending abuse of Phosphorous to enhance flowering

• How do I mix up my nutrient solution?

• How can I properly maintain my hydroponic nutrient solution?

• What do the three numbers on the fertilizer label stand for?

• How do I apply hydrogen peroxide?

• Will my nitrogen source affect the PH?

• What is the difference between synthetic and organic fertilizers?

Foliar feeding

• How do I foliar feed?

• What is Earthjuice catalyst and how do I use it?

• What is Spray-N-Grow and how do I use it?

Nutrient deficiencies

• Plant Abuse Chart and Photos by Nietzsche

• Nutrient Disorder Problem Solver by Jackerspackle

Sick Plant Symptoms

Changes in Colour of Bottom Fan Leaves

• Are the leaf tips curlling up, do the leaves have yellow margins or tips with green veins

• Are the leaf tips curling down, do they have yellow margins which are turning into dark dead spots

• Do the leaves have an inter-veinal banding appearance

• Are your leaves light green or yellow in colour

• Do the leaves have an overall dark green color with a purple, red, or blue pigmentation

Changes in Colour or Growth on the top of the plant

• Iron (Fe) deficiency

• Are leaf tips yellowed and curled down?

Crispy Dead Leaves

• Do the leaves have burnt blotches on them?
  

Are the bottom leaves dying out and burning up?

Nutrient formulations

• Standard nutrient flushing (clearing) formula

• MisterIto's beginner nutrient flushing formula

Bioponic

• MisterIto's bioponic beginner nutrient formula

• Why should I grow using hybrid bioponic nutrients?
  

Chemical

• Bunzboy’s flora feeding schedule for soil growers.

• MisterIto's chemical beginner nutrient formula

• Frenchie's salt fert formula

• What chemical based fertilizer should I use?

• 10k's suggested beginner chemical nutrient formula

• Why should I grow using pure chemical nutrients?
  

Organic

• MrSoul's Guano Tea Method

• What is an Earth Juice/Maxicrop recirculating res?

• How do I produce my own Worm Castings?

• How do I make guano tea?

• Five Most Asked Questions About Earthworm Castings

• Why should I use worm castings?

• What organic based fertilizer should I use?

• MisterIto's organic beginner nutrient formula

• What about Earth Juice?

• Why should I grow using pure organic nutrients?
  

What are the best ratios for General Hydroponics 3-part?

• BD97's recipe

• Highgrade's recipe

• The 1-2-3 recipe

• Lucas Formula

• Lothar's recipe

Nutrient Product Comparisons

Outdoors

• Do I need fertilizer?

• What are some different fertilizers?

• Organic fertilizers, NPK values and amounts to use

• How can I improve my soil outdoors?

• Can I foliar feed outdoors?

pH / EC / TDS / PPM

• What are the pros and cons of buying a combo meter?

• What is the difference between ppm and EC?

• How do I tell if my PPM/EC is too high or too low?

• What is a good ph/EC/TDS meter?

• How can I raise or lower the pH of my soil mix?

• Are the liquid type Ph test kits accurate?

• What pH level or range should I aim for?

• What ranges should I maintain for my hydroponic nutrients pH, TDS/EC and temperature?

• What is pH?

• What is a pH buffer?

• PPM-EC-CF Chart

• How long does the seal last inside the probe?

• What does pH mean?

• What is a TDS meter and what does it measure?

• How do I figure out the ppm of my fertilizer mix?

Watering

• Is it safe to use pet-shop preperations, that are sold to remove chlorine from my tap water?

• Can I use water from the dehumidifier?

• How much water do I give my clones & seedlings when in rockwool?

• What is the "lift the pot" method?

• Why is my reverse-osmosis water not pH neutral?

• How can I tell whether my drooping plant is overwatered or underwatered?

• About wet/dry cycles

• What is the best type of water to start with?

• Is tap water ok for my seeds and plants?

• How do I determine my watering schedule for container plants?

• Why do my plants droop after flushing or heavy watering?

• How do I water my hard to reach plants?
  

Organic propagation

• How do I start a compost pile?
  

Liquid Organic Fertilizers

 

Organic Soil

Soil & soilless

• What is nutrient lockout?

• How can I measure the pH of soil/soilless runoff?

• What are Water-Absorbent Polymers and how do I use them?

• Maximizing root growth in soil containers

• What is the Soil Food Web?

• Treating old soil

• What size pots should I use?

• eugene's soil mat planting method

• How do I use capillary matting with an indoor grow and why does it help?

• If I change my soil grow to hydro, will it taste bad?

• What is a fortified medium?

Soil & soilless mixes

• What are soil amendments?

• What is Soil?

• How can I test for soil texture at home?

• Using Coco as a Substrate

• I'm a beginner and need a simple and easy soilless mix.

• Soul's Soilless Mix

• Vic's Super Soil recipes & notes

• What is loam?

• ~shabang~'s worm casting method

• Bongaloid's Corruption of ~shabang~'s Casting Method

• Aallon's quick & simple soil mix

• Kumquat's deluxe potting soil and manure tea

• What is Soil Structure?

• What do you mean by soilless mix: what is it?

• MR_NATURAL420's perfect potting medium

• What is Sandy Soil?

• What is silt?

• What is Clay Soil?

• What is Soil Texture?
  

What is root-bound?

• What is root-bound?
  

Hydroponics

• Can I add stuff to the reservoir to change the flavour of my bud?

• Should I use Lavarocks or Expanded Clay?

• What are the differences between aeroponic misting and fogging?

• What is this green slime on my rockwool?

• What is nutrient lockout?

• How do I Build a Bato-Bucket/Dutch-Pot System?

• How do I sterilize and disinfect my system?

• How can I keep my reservoir cool?

• How dow I use Oxy-Plus in my nutrient tank?

• Simple Hydroponics, The Wick System

• How should I clean my grow rocks?

• Is pH important?

• Can I use industrial grade rockwool for my hydroponic medium?

• What is hydroponics?

Bubblers (DWC)

• How can I grow a whole garden full of bubblers easily?

• What is a bubbler/DWC?

• At what level should the nutrients be in the bucket?

• What kind of pump should I use?/How much air does each bucket need?

• How can I build a DWC cooler tub?

• Where do I set the water level for new clones?

• How can I build my own bubbler?

• How do I start seeds for DWC bubblers?

• What should the pH of the nutrients be?

• What kind of airline should I use?

• How can I get rid of slimy roots?

• How often should I change the nutrients?

• How large should my bucket/container be?

• What kind of airstone should I use?

• What nutrients should I use?/How much nutrient should I use?

• How can I stop algae from growing in the bucket?

• How do I build a bubbling bucket? (Deep Water Culture)
  

Ebb and Flow (E&F)

• How are the salt buildups flushed out of the planters in ebb & flow?

• Is there anything better than the standard planters provided with most ebb & flow systems, and How can I modify the system to give maximum yield and root mat growth?

• How Do I Prep My Ebb & Flow Table, using big rw cubes?

• How often should I flood the tray? (flood frequency)

• How long should I flood the tray? (flood duration)

• Can a megagarden be converted to Deep Water Culture (DWC)?

• How do I grow single cola style, sea of green Ebb & Flow ?

• How high should I set the flood level? (flood depth)

• How can I heat my reservoir solution to keep it in the correct range?

• How should I go about transplanting the minicube into the rock filled planters?

• What is a Megagarden?

• How should I maintain the reservoir, topping off changing solution etc.?

Transplanting

• What is root-bound?
  

Hydro to soil

• How do I go from rockwool to a soil mix?
  

Soil to soil

• Why do I need to transplant?

• How do I create root growth lengthwise?

• How can I transplant my plant into a bigger pot?

• How big of a pot should I transplant into?

• BOG\'s double potting technique

• Nomad's tansplanting technique

• How will I know when my plants need to be repotted?

• When is the best time to repot my plant?

Plant trouble

• Nutrient Profiles and Deficiencies by Mr. HIGHway

• Nutrient Disorder Problem Solver by Jackersparckle

• Plant Abuse Chart and Photos by Nietzsche

• Plant moisture stress - symptoms and solutions

• Do I have Bad Room Syndrome?

• How can I get a better diagnosis of my plant?

• What are some causes of slow plant growth?

Seeds, germination & seedlings

• Desiccant and its uses

• Soil germination problems

• How can I get my plants to produce femenized seeds?

• The merits of transplanting seedlings deeply

• The germination process of a dicot seed

• How can I tell if my bag seeds are healthy?

• How can I make my seedlings stem stronger?

• Why are seeds different colours?

• How do I use Oxy-Plus for seed germination?

Growth after germination

• How can I gently fertilize my seedlings with guano?

• Why do my seedlings stretch?

• Why are my Seedling's Stems Purple?

• When should I fertilize my seedlings?

• How do I fertilize seedlings outdoors?
  

Seed germination techniques

• Vapour's Rockwool germination technique

• Vegemite's seed germination technique (rockwool)

• Germinating Cannabis Seeds (for Bio Growers).

• Preparing seeds for easier germination

• How do I germinate seeds?

• KiDKiND's germination technique

• Is there a faster way to germinate seeds? (Scarification)

• How do I germinate seeds in soil?

• What is an idiot proof way to germinate seeds?

• joe's seed germination technique (in rockwool)
  

Vegetative growth

• How does plant nutrient metabolism work?

• How many hours of light do I need for veg growth?

• How do I improve outdoor air exposure and yield, to also reduce chances of mold?

• Do Roots REALLY grow in the dark?

• What is Vegetative growth?

• How can I tell if my seedling is male or female without flowering it?

Training/Pruning

• Smokinrav's supercropping technique

• How can I train my plants for a lower profile?

• Show me how to do early vegetative pruning and FIM ?

• How do I prune and start supercropping ?

• How do I paperclip train when not using soil or media?

• How do I tie down my outdoor plant?

• How can I tuck leaves to increase light penetration?

• What is the FIM pruning technique?

• What is the paperclip training technique?

• How do I pre train my plant for a ScrOG grow?

• Should I prune (top) my plants?

• I topped my plants, why is there no new growth at the nodes?

Sexing

• What are preflowers?

• How can I identify a female by seeing its pre-flowers?

• Flower Biology

• How can I determine the sex of seed plants with clones?

• How do I sex using a paper bag?

• After 10 days flowering what does a male look like?

• Should I force flower my plants to determine sex, then revert them to complete vegetative growth once the sex is known?

• What does an emerging MALE preflower look like?

• < a href="/OG-FAQ/1100.htm">After 10 days flowering, what does a female look like?
  

Cloning

• Can temperature affect how well my clones root?

• How can I package clones for shipping when customs will not be involved?

• How can I root quicker using cutting scarification?

• How do I make my own Rooting hormone?

• What is a wick cloner, and how do I build one?

• How do I clone plants? Smokinrav's simple water-cloning method

• Got any tips for hard to clone plants?

• Leaf's cloning method

• How long should my clones take to root?

• How do I take multiple clones from the whole branch?

• Are humidity domes or tents important?

• Why are my clones wilting?

• How can I clone using rockwool?

• How clean does my cloning equipment need to be?

• Can I take a cutting from a plant in flower?

• DuctMAN's cloning advice

• What is air layering?

• How and where do I cut my clones?

• Treating RockWool & Misting cuttings with Oxy-Plus

Care of mother plants

• What should I feed my mothers prior to cloning?
  

for Hydroponic systems

Bubblers & misters

• How can I build my own bubble cloner?

• What is the Cheapo-Aero cloning tub?

• How do I build my own aeroponic cloner with misters?
  

Perlite & vermiculite

• How do I clone in perlite & vermiculite?

Rainforest 242

• How do I clone in a Rainforest 242?
  

Rockwool

• Mr. HIGHway’s Cloning Method In Rockwool

• Snoofer's illustrated rockwool cloning technique

• How do I clone using rockwool?
  

The Cheapo-Aero cloner

• How can I test my new cloner to see if it is working properly?

• Building a Cheapo-Aero cloning tub

• How should I transplant rooted aero clones to soil?

• How should cuttings be prepared for aero cloning?

• Take a look at some of the variations of home made aero cloners
  

for Soil or mixes

• Slowhand's Oasis cubes in soil, cloning method

• Crazy Composer's Soil Cloning Method

• Dowzer's peat pellet cloning method

• How do I clone in perlite & vermiculite?

• How do I clone in peat pellets?
  

Layering

Timing your clones

• Clones in Stasis

• When should I take clones from my plants?

• Can I put rooted clones directly into flowering?

• How can I hold clones in stasis? (the fridge method)

• Can I have mature clones, without wasting the time invested growing the seedlings?

Blooming & ripening

• How do I determine a female sex plant from a male?

• What does a garden look like from the initiation of bloom to the harvest?

• How many hours of light do I need for blooming?

• How dark does the dark cycle need to be?

• Growing Consensus Synopsis Paper: Should Fan Leaves be Trimmed?

• What do I do if my plants are growing too tall after flowering?

• What is an hermaphrodite?

• How can I find the exact harvest timing for my strain?

• Is UV important for blooming?

• How can I manage a tall lanky sativa indoors?

• What is stretch and how can I minimize it?

Harvesting & curing

• What are trichomes? Trichome 101

• How to build an odorless bud drier

• Does curing affect potency2?

• Fake Pot: What's the deal with these Marijuana Alternatives?

• How I detect and prevent budrot?

• What is the best way to dry and preserve the cure for smooth, sweet buds?

• Drying, Curing, and Storage (paper bag method)

• Does curing affect potency?

• How Can I Tell When My Buds Are Dry Enough To be Cured?

• How do I properly dry and cure my harvest?

• How do I cure my harvest with glass canning jars?

• How do I regenerate/rejuvenate/reveg a plant after harvest?

• How do I quick-dry my buds?

• What is the "Dry Ice Cure" (Freeze drying) ?

• How do I manicure (trim) my plants?

• How do I re-moisten dry buds?

• When should I harvest my plants?

Enjoying your harvest

Cooking with Cannabis

• How do I make Frozen Ganja Custard?

• How do I cook with Cannabis & program in C?

• How do I make Hashish fudge?

• How do I make hot buttered bhang?

• How do I make avocado dip?

• How do I make Cannabis Cinnamon bread?

• How do I make chocolate cannatruffles?

• Hacksaw’s tasty CannaButter recipe

• What is POTKA, and how do I make it??

• How do I make cannabis cooking oil?

• Panzanella salad

• How do I make cannabutter?

• How do I make a Marijuana Tincture?

• How can I make storable cannabis cooking oil?

• How do I make scooby snacks?

• Firecrackers

• How do I make marijuana pancakes?

• How do I make a Canna 'Omelette?

• How do I make apple pot?

• How do I make nips?

• Bhang

• How do I brew cannabis beer?

• How do I make banana bread?

• How do I make Marijuana Spaghetti Sauce?

• Tabouli

• How do I make Grilled Canna-veggies?

• How do I use cannabis in my favorite recipes?

• How do i make pot brownies?

• How do I make smooth & creamy cocopot ice cream?

• How do I make Barbecued MJ steak?

• How do I make hash butter popcorn?

• Pesto

• How do I make baked turtle cheesecake?

• How do I make MJ salad dressing?

• How do I make cosmic hollandaise sauce?

• Spinach Dip

• How do I make MJ chilli con carne?

Cookies

• Leaf's Monster Cookies

• Grace's lemon cookies

• MJ Fudge crinkle and Butter cookies

• How do I make cookies?

• How do I make chocolate peanut butter cookies?

• How do I make Moravian ginger cookies?

Smoking your harvest

• What are some homemade pipes I can build?

• How can I stop the smell of my smoking?

• What are bong percolators and diffusers?

• How do I clean my glass pipe?

• How do I build a simple but effective lightbulb vaporizer?

• How do I cure my pipe?

• How do I break up cannabis for smoking?

Rolling

• How do I roll a tulip joint?

• UncleBen's dollar-bill joint rolling method

• What kind of rolling papers should I buy?

• How do I roll a no spill pocket joint?

• How do I roll an *Astral Weaver* joint?

• How do I roll an Inside-Out Joint?

• What is a blunt?

• Overdose’s sure-fire joint rolling method

• How do I roll a European-style joint?

• Nomad's blunt rolling method

Storing your harvest

• How do Istore my harvest to maintain quality?

• How do I store seeds?

• How do I build my own stash box?

• How can I easily store my freshly made Honey Oil?

• What can I use a dessicant for to help drying?

Outdoor growing

• How do I grow outdoor in northern countries?

• Which types of mulch are usable?

• What about poison ivy exposure?

• What is Guerilla Growing and what do I need to know about it?

• How do I choose an outdoor growing location?

• How do I keep my well chosen outdoor plot secure?

• What are the benefits of mulching?

• When are average first and last frost in the U.S. and Canada?

• How do I prepare my outdoor plot?

• What are the advantages of growing in a greenhouse?

Pest control

• How do I control Grasshoppers?

• How do i protect my outdoor grow from deer?

• How do I deal with Bears?

Odor control 

• How do I control odor with ozonators?

Glossary of common terms 

• Progeny testing

• SCROG

• Female

Breeding

• How can I contribute as a sativa breeder?

• How should strains be named?

• Can I use dessicant for seed or pollen storage?

• What is colchicine and how is it used?

• What is the nomenclature of Cannabis?

• How should I store my seeds?

• What is the difference between an F1 and a hybrid?

• What is a phenotype and what does phenotype mean?

• What is an F1, F2, and IBL?

• What is the probability that I will have a female plant given X seeds?

• What is the history of Northern Lights?

• Can I breed effectively indoors?

• How can I contact the breeders of commercial strains?

• What should I look for in an IBL?

• What are gametes and zygotes?

• What is linkage?

Breeding strategies

• What are the different types of crosses?

• How important is male selection when cubing?

• How do I create a true breeding strain?

• Soul's Selecting breeding individuals for marijuana production

• How do I stabilize a clone hybrid?

• How do I backcross my special female?

• What is recurrent selection?

• What is cubing?

• What is convergent improvement?

• What is selfing?

• What are all female seeds and how are they created?

• Does it matter which line is used for the male?
  

Pollination

• How do I pollinate?

• Lucas' pollination method

• How long can I store pollen?

• Kryptonite's pollination method

• Pollen: How to collect it and use it.

• Uncle Ben's pollination method

• When should I pollinate my female?
  

Selecting males

• What is a bio-assay?

• How do I select a male?
  

Hybrid vigour

• What is combining ability?

• How do I select for combining ability?

• What is hybrid vigour?

Hashish and oil

• How can I make ice hash for less than $5 outlay?

• How can I easily, cheaply and quickly press a small amount of hash?

• Mesh sizing and kif screening

• How do I make Ice Hash?

• A summary of hash extraction methods

• How can I make a cheap trichome shaker?

• What is hash and how do I make it?

• Bunzboys 10 steps, for the cheapest way to make hash.

• How do I press lower quality resins?

• Simple Soap Purification

• How can I make my own hash tumbler?

• Salvaging Moldy Buds & Making Trichome Butter

Oil extraction

• How to Make Butane Honey Oil

Growroom efficiency

• How do I measure temperature correctly?

• How do I accurately measure my Grow Room Efficiency?

• What range should I maintain for my growroom humidity and temperature?

• How can I offset the energy usage of my grow room?

• Can I use dry ice to provide CO2 for my plants?

How can I improve my light efficiency

• How can I effectively hang and clean Mylar?

• Is a dimpled or polished reflector better at reflecting light?

• Hood orientation as it relates to efficiency.

• What reflective materials can I use for my grow room?

• All you need to know about Mylar

• What is black and white poly and how do I use it?

• Is there a similar substitute for Mylar?

• Are mirrors good for reflecting light?

• Can I use foil to reflect light?
  

Improving your yields

• How do I prune to increase production?

• How do I supplement my area with carbon dioxide?

• Whats a good method of co2 release for small a grow space?

• How do I manipulate the photoperiod for larger yields on Planet Ito?

• What are the benefits of an allotropic cell?

Nutrient formulations

• How do I find out what's wrong with my plant?

• What do the different nutrients mean to Cannabis?

• What levels should I maintain for my hydroponic nutrient, temperature, pH and TDS/EC?

• How do I figure out the ppm of my fertilizer mix?

• Why add silicon to nutrient solution?

• Should I use hydrogen peroxide in my nutrient mixes?

Chemical

• ChristianKungFu - Fertilizer mix examples

• ChristianKungFu's Salt/Chemical Fertilizers (Introduction)

• Can I give myplants extra nitrogen?

• Microorganisms and organic compounds in the solution: Is filtering useful?

• What is EDTA?

• ChristianKungFu - Basic Elements and Nutrient Balance (long)

• ChristianKungFu - TDS, PPM, and EC

• ChristianKungFu - pH

• Chemist's Salt Fertilizer Recipes

• ChristianKungFu - Salts, E.C. and Leeching

• MisterIto's chemical nutrient formula

• Why should I grow using chemical nutrients?

• How do I adjust the pH in chemical solutions?
  

Flushing

• A critical look at preharvest flushing

• Standard nutrient flushing (clearing) formula

• MisterIto's nutrient flushing formula
  

Nutrient deficiencies

• Plant Abuse Chart and Photos by Nietzsche

• Nutrient Disorder Problem Solver by Jackerspackle
  

Organic

• MisterIto's organic nutrient formula

• How do I adjust the pH in organic solutions?

• What is the proper way to use Earth Juice?

• Why should I grow using organic nutrients?

Worm Castings

Product information

• Doc's CarbonMax Bloom Enhancer

• Dutch Master FoilTech

• General Hydroponics FloraBloom

• General Hydroponics FloraGro

• General Hydroponics FloraMicro

• General Hydroponics YEA!

• Prop-O-Gator root enhancer

• Where can I read opinions on common additives?

Pests & disease control

• How can I get rid of these whiteflies?

• How can I make up a Nicotine pesticide?

• How Do I Use Neem Oil Without Getting My Plants All Oily?

• How to clean your grow room after harvesting?

• Kunta's spider mite advice

• What biological controls are available for fungus gnats?

• Chimera's Journal on Spider Mites

• Common insects - Id and control

• Are there alternatives to chemical pesticides?

• I've got spider mites, now what do I do?

• How to make your own neem extract solution

• How do I deter slugs and snails without using chemicals?

Indoors

Diseases

• How do I recognize and prevent root rot in soil?

• How do I identify and prevent Root Rot?

• How do I recognize, control, and prevent Powdery Mildew?

• Botrytis or Gray Mold

• Powdery Mildew

• Fusarium

• Phytophthora root rot

• Rhizoctonia root rot

• Pythium Root Rot
  

Outdoors

Pests

• How can I control pests outdoors?

• How can i control normal ants and white ants outdoors?

• How can I control Catapillars?
  

Pest identification

• What are Symphilids?

• What does a spidermite web look like?

• Whiteflies

• The imposter ladybug

• Spider mites
  

Product information

• What's the 411 on Avid?
  

Growth regulators & hormones

• What are tropisms?

• What do hormones/growth regulators contain?

• Does seaweed act as a growth stimulant?

• What are hormones and what do they do?

• How can I use Spin-Out for chemical root pruning?

• What types of hormones/growth regulators are beneficial?

• What is endocytosis and its role in nutrient uptake?
  

Propagation techniques

• What is air layering?

• How do I regenerate/rejuvenate a plant after harvest?

• What is the perpetual harvest propagation method?

• What is the Sea of Green method?

• What is grafting?

• How are bonsai moms and dads cultivated?

• What are bonsai moms/dads?

• What is tissue culture?

• What is trellising?

Air layering

Bonsai

Cloning

• Can temperature affect how well my clones root?

• How can I package clones for shipping when customs will not be involved?

• How can I root quicker using cutting scarification?

• How do I make my own Rooting hormone?

• What is a wick cloner, and how do I build one?

• How do I clone plants? Smokinrav's simple water-cloning method

• Got any tips for hard to clone plants?

• a href="/OG-FAQ/1298.htm">Leaf's cloning method

• How long should my clones take to root?

• How do I take multiple clones from the whole branch?

• Are humidity domes or tents important?

• Why are my clones wilting?

• How can I clone using rockwool?

• How clean does my cloning equipment need to be?

• Can I take a cutting from a plant in flower?

• DuctMAN's cloning advice

• What is air layering?

• How and where do I cut my clones?

• Treating RockWool & Misting cuttings with Oxy-Plus

Grafting

Parent plant perpetuation

Perpetual harvest

Regeneration & rejuvenation

Screen of green (SCROG)

• What is SCROG (Screen of Green)?

• Can you give an example of a SCROG cabinet?

• Can I use SCROG with larger lights too?

• How does SCROG improve my canopy and yield?

• How do I best fill the SCROG screen?

• Where can I see photos and examples of SCROG gardens?

• What should I use for a SCROG screen?
  

Sea of green (SOG)

Supercropping

• What is the FIM technique?

• What is Supercropping?
  

Tissue culture

Trellising

Aquaculture

Greenhouse

Indoors

Outdoors

Hydroponic system construction

• Is there a simple and cheap way to maintain water levels?

• How do I rig an Electric Float Switch Reservoir Controller ?

• Aall0n’s hydroponic system construction principles

• How do I make an ebb & flow hydroponic system?

• MrSoul's rocks and tray system

• How to build a self watering clone Stealth box

Aero-cloners

• How do I build and use the Cheapo-Aero cloner and similar units?

• How do I build my own aero-cloner with misters?
  

Aeroponic

• How do I build Irish & Webby aero tubes?

• What is an Aerospring and how do I build one?
  

Bubblers

• How do I build a bubbler?

• How do I build an External Reservoir and Control Bucket?
  

Ebb and flow

Grow boxes

Nutrient film technique (NFT)

• Building a 6 inch PVC aeroponics tube system

• Glether's Easy NFT System

• Designing hydroponic systems: The importance of flow rate
  

Slab and tray systems

Slow sand/rockwool filter

• Where do I get the bacteria to ripen my slow sand/rockwool filter?

• How small can I make a slow sand/rockwool filter?

• How do I construct a slow sand/rockwool filter?

• Will a slow sand/rockwool filter change the pH of my system?

• What will happen if I construct my own filter using maximum suggested flow rates and minimum suggested media depth?

• Will a slow sand/rockwool filter out my hydroponic nutrients?

• How do I work out the surface area of one end of a 4-inch storm water pipe I am going to use as my filter housing?

• Can I use any other hydroponic mediums as my active system media instead of sand or rockwool?
  

Wick systems

• How can I build a wick system to keep my plants in stasis?
  

Medical usage

• How do I make medical marijuana capsules?

• How do I apply for medical marijuana in Canada?

• How can Medical Marijuana benefit me?

• How do I become a medical marijuana patient in the state of California?

• How do I get access to medical marijuana and clones?

• Is medical marijuana legal in my state?

Fitness and Good Health

• Sala's guide to smoking and working out
  

Utility, conversion charts, formulas etc.

• How do I use the RHCalc online calculator?

• Electrical Wire Guage Conversion to Metric

• Metric to English conversion chart

• U.S/Metric conversion chart

• Converting Fertilizer NPK ratings to PPM and Teaspoons per Gallon

• What temperature will my growspace get and how much ventilation will I need?

• How do I determine the number of gallons my container holds?

• How do i convert between EC, CF, & PPMs?
  

Marijuana photography

Digital camera recommendations

Photography advice and image information

• How do I take microscopic quality pictures, the easy cheapo way?

• Which digicam features should I consider?

• What is macro-photography and why should I use macro mode?

• How much should I spend on a digicam?

• How many megapixels should my digicam have?

• Digital Camera Glossary

• How do I clean my digital camera?

• My images won't upload, what’s going wrong?

• How do I select a tripod?

• What are Point-and-Shoot Techniques?

• Digicam glossary

• What lighting do I need for macrography?

• Memory-card information

• Is zoom needed?

• What software can I use to make special effects or edit my photos?

• How do Digital Cameras Work?