Crazy 101
Know what you’re doing.
And why.
101 questions worth asking about your grow.
Choose a question to explore its topic guide.
101 questions
Getting started
- Where should I start with my grow?
- What should I know before choosing a feed?
- What is already in my growing medium?
- How do I describe my current feeding routine?
- Do I need the whole Crazy Hills range?
- Can I keep the base nutrients I already like?
- How do I compare two feeding routines?
- What should I record before changing anything?
- How do I run a useful small trial?
- When should I ask for help?
Natural growing & living soil
- What makes soil living?
- Is organic growing just using organic fertiliser?
- What does feeding the soil mean?
- What do microorganisms need to work?
- Does adding microbes create living soil?
- Does living soil need liquid nutrients?
- How does a mature bed differ from a fresh pot?
- What does organic matter contribute?
- Can I add too much organic feed?
- What does buffering mean?
- Can organic and mineral approaches overlap?
Roots, pots & watering
- Why do roots need air?
- How does a medium hold water?
- Why does pot size matter?
- Why does container height matter?
- Does a small plant need the same watering as a mature one?
- Can someone else’s watering calendar work for me?
- What should I check before blaming the feed?
- What happens when the root zone stays saturated?
- What should I record about watering?
- How do roots and the growing medium work together?
Water & pH
- What is in my tap water?
- What does pH measure?
- What is alkalinity?
- Are hardness and alkalinity the same?
- Can two waters with the same pH behave differently?
- Does concentrate pH tell me the pH of my feed?
- When should I measure the complete mix?
- Do organic growers need to measure pH?
- Does every watering need pH adjustment?
- Is runoff pH the same as a growing-medium test?
Feeding & EC
- What does an EC meter measure?
- Does EC show which nutrients are present?
- Does EC describe the whole organic nutrient supply?
- Should I measure source water separately?
- Are ppm and EC interchangeable?
- What is the difference between ml/L and total product used?
- Does feeding mean every watering?
- Why should I check the chart version?
- How does my medium change the feeding strength?
- Can a feeding chart account for everything in my grow?
Growth, flowering & supplements
- What does nitrogen do in the plant?
- Does flowering mean stopping nitrogen?
- What does phosphorus do?
- What does potassium do?
- Does more PK automatically improve flowering?
- What does calcium contribute?
- What does magnesium contribute?
- Does growing under LEDs automatically mean adding CalMag?
- Can water already supply calcium and magnesium?
- How do I check whether supplements overlap?
Biostimulants & biology
- What is a biostimulant?
- Does a biostimulant replace base nutrition?
- Why combine several ingredient groups?
- Does every ingredient need a separate bottle?
- What is the difference between introducing microbes and feeding them?
- Are Trichoderma and mycorrhiza the same?
- Does every microorganism do the same thing?
- Why do microbial storage instructions matter?
- Can a mixing test establish biological compatibility?
- How do I evaluate a new input fairly?
Ingredients & processing
- What does seaweed contribute to a formulation?
- Why does the seaweed species matter?
- How does extraction change an ingredient?
- Does cold-processed automatically mean better?
- What is a protein hydrolysate?
- Are free and total amino acids the same measure?
- What are humic materials?
- What are fulvic materials?
- What does beet vinasse contribute?
- What is corn steep liquor?
Reading the grow
- Does a marked leaf identify a deficiency?
- What changed before the symptom appeared?
- Which leaves are affected?
- What should I photograph when asking for help?
- Why look at the roots as well as the leaves?
- How do light and watering affect the picture?
- What does humidity tell me without temperature?
- What is VPD?
- How do I check what light reaches the canopy?
- Why change one relevant thing at a time?
The run & the finished crop
- How much product will I use across the run?
- How does feed frequency change consumption?
- How do I account for a once-weekly product?
- What is the difference between consumption cost and purchase cost?
- How should I account for leftovers?
- What should I measure in a trial?
- Why record unchanged or disappointing results?
- What can one grower’s experience establish?
- Why is drying part of the grow?
- What belongs to the plant, environment and grower as well as the feed?