Learning Center

Find answers to frequently asked questions about cannabis cultivation in our grow FAQ. Learn about organics, hydroponics, lighting, transplanting, sexing, cloning, breeding, odor control, hydroponics construction, fertilizing, feeding, and many other aspects of cannabis cultivation.

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Show me how to do early vegetative pruning and FIM

Show me how to do early vegetative pruning and FIM

Show me how to do early vegetative pruning and FIM
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Smokinrav's simple water-cloning method

Smokinrav's simple water-cloning method

Smokinrav's simple water-cloning method
4.90 star(s)
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How many hours of light do I need for veg growth?

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

How many hours of light do I need for veg growth?
4.94 star(s)
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What biological controls are available for fungus gnats?

What biological controls are available for fungus gnats?
5.00 star(s)
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Kunta's spider mite advice

Kunta's spider mite advice
5.00 star(s)
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How to clean your grow room after harvesting?

How to clean your grow room after harvesting?
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How Do I Use Neem Oil Without Getting My Plants All Oily?

How Do I Use Neem Oil Without Getting My Plants All Oily?
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How can I make up a Nicotine pesticide?

How can I make up a Nicotine pesticide?
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How can I get rid of these whiteflies?

How can I get rid of these whiteflies?
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Why should I grow using organic nutrients?

Why should I grow using organic nutrients?
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What is the proper way to use Earth Juice?

What is the proper way to use Earth Juice?
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How do I adjust the pH in organic solutions?

How do I adjust the pH in organic solutions?
5.00 star(s)
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MisterIto's organic nutrient formula

MisterIto's organic nutrient formula
5.00 star(s)
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Nutrient Disorder Problem Solver

Nutrient Disorder Problem Solver
5.00 star(s)
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MisterIto's nutrient flushing formula

MisterIto's nutrient flushing formula
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Standard nutrient flushing (clearing) formula

Standard nutrient flushing (clearing) formula
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A critical look at preharvest flushing

A critical look at preharvest flushing
5.00 star(s)
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How do I adjust the pH in chemical solutions?

How do I adjust the pH in chemical solutions?
3.00 star(s)
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Why should I grow using chemical nutrients?

Why should I grow using chemical nutrients?
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MisterIto's chemical nutrient formula

MisterIto's chemical nutrient formula
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ChristianKungFu - Salts, E.C. and Leeching

ChristianKungFu - Salts, E.C. and Leeching
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Chemist's Salt Fertilizer Recipes

Chemist's Salt Fertilizer Recipes
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ChristianKungFu - pH

ChristianKungFu - pH
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ChristianKungFu - TDS, PPM, and EC

ChristianKungFu - TDS, PPM, and EC
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ChristianKungFu - Basic Elements and Nutrient Balance

ChristianKungFu - Basic Elements and Nutrient Balance
5.00 star(s)
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What is EDTA?

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

Microorganisms and organic compounds in the solution: Is filtering useful?
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Can I give my plants extra nitrogen?

Can I give my plants extra nitrogen?
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ChristianKungFu's Salt/Chemical Fertilizers (Introduction)

ChristianKungFu's Salt/Chemical Fertilizers (Introduction)
4.00 star(s)
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ChristianKungFu - Fertilizer mix examples

ChristianKungFu - Fertilizer mix examples
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Should I use hydrogen peroxide in my nutrient mixes?

Should I use hydrogen peroxide in my nutrient mixes?
5.00 star(s)
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Why add silicon to nutrient solution?

Why add silicon to nutrient solution?
5.00 star(s)
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How do I figure out the ppm of my fertilizer mix?

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