Knowledge Base

Cultivation knowledge you can actually use

42 articles on climate, irrigation, diagnosis, lighting, nutrients, harvest, and growing techniques. Calculators, diagnostic tools, and field-tested guides — written for growers who work data-driven.

🔧 Interactive Tools

Calculator VPD Calculator & Guide Calculate VPD with enough context to steer climate — not just fill in a chart. Open calculator → Calculator EC Calculator Calculate target EC for your nutrient solution — by growth stage and substrate. Open calculator → Calculator Light Calculator (PPFD / DLI) Calculate PPFD and Daily Light Integral to hit target light levels for every growth phase. Open calculator → Planner Feeding Schedule Planner Generate a week-by-week nutrient plan adapted to substrate, strain, and EC targets. Open planner →

Climate & Environment

Climate CO2 Supplementation in the Grow Room Plan and evaluate CO2 use — when it makes sense and where the real limits are. Read article → Climate Humidity Control Guide Manage relative humidity phase by phase for optimal transpiration and mold prevention. Read article →

Lighting

Light PPFD, DLI, Stretch & Internodes Use PPFD and DLI to understand stretch, internodes, and light-driven plant behaviour. Read article → Lighting LED vs. HPS for Cannabis Compare LED and HPS by room control, heat load, efficiency, and crop response. Read article → Lighting LED Light Distance and PPFD Set light distance and intensity by growth stage — not manufacturer guesses. Read article →

Steering & Strategy

Steering Crop Steering for Generative Growth Steer generative growth with deliberate dry-back, irrigation timing, and substrate control. Read article →

Irrigation

Irrigation How Often to Water in Coco? Set irrigation frequency from plant demand, runoff, and dry-back instead of guesswork. Read article → Irrigation Overwatering: Signs and Fixes Spot overwatering early and fix it through frequency adjustment and improved drainage. Read article →

Nutrients & EC

Nutrients Runoff EC Too High or Too Low Read runoff EC correctly so salt build-up becomes visible early and correctable. Read article → Nutrients What Does High Drain EC Mean? Understand what a high drain EC usually means and how to correct the pattern. Read article → Nutrients Nutrient Deficiency Chart Compare symptom placement and progression to narrow likely problems faster. Read article → Nutrients pH for Cannabis in Coco Keep pH in a range that preserves nutrient availability and root-zone stability. Read article → Nutrients Flush Before Harvest See what pre-harvest flushing changes in practice, and where common claims fall short. Read article → Nutrients Magnesium Deficiency Recognize magnesium deficiency and fix it with pH correction or CalMag addition. Read article → Nutrients Nitrogen Deficiency vs. Toxicity Distinguish nitrogen deficiency from toxicity and respond with targeted adjustments. Read article → Nutrients Potassium & Phosphorus in Flower Dose K and P correctly during flower and steer by EC and plant feedback. Read article → Nutrients Mixing Nutrient Solution Mix nutrient solution systematically — from source water to pH adjustment. Read article → Nutrients Nutrient Schedule Build a nutrient schedule for veg and flower by cultivar, EC, and drain pattern. Read article → Nutrients Hydroponic Nutrients Nutrient management for hydroponic systems — DWC, NFT, drip, and ebb/flow. Read article →

Diagnosis & Pests

Diagnosis Calcium Deficiency vs. Light Stress Separate two commonly confused issues before changing feed, light, or climate. Read article → Diagnosis Leaf Diagnosis: Yellowing & Burnt Tips Use visible leaf symptoms as a structured first-pass diagnosis. Read article → Diagnosis Light Burn vs. Nutrient Burn Distinguish light burn from nutrient burn and respond accordingly. Read article → Pests Botrytis: Recognition & Treatment Identify botrytis early, remove safely, and prevent it through climate management. Read article → Pests Spider Mites on Cannabis Spot spider mites early and control them through humidity or targeted predators. Read article → Pests Root Rot & Pythium Distinguish root rot symptoms and prevent them through water management and prophylaxis. Read article → Pests Powdery Mildew Fight powdery mildew early and prevent it through air circulation and humidity control. Read article →

Technique & Training

Training Defoliation & Lollipopping Use defoliation and lollipopping strategically for optimal light penetration. Read article → Training SCROG Setup Guide Build and steer SCROG during veg to create an even flower canopy. Read article → Setup Grow Room Setup Plan a room that supports stable climate, workable irrigation, and easier daily operation. Read article →

Genetics & Cultivars

Genetics Autoflower Growing Guide Grow autoflower cultivars with their unique needs in light, nutrients, and stress tolerance. Read article → Genetics Autoflower vs. Photoperiod Compare autoflower and photoperiod by yield, control, time investment, and growing goals. Read article →

Substrate

Substrate Buffering Coco Substrate Properly buffer and wash coco so calcium-potassium balance is right from day one. Read article →

Harvest & Post-Processing

Harvest Harvest Timing: Trichomes & Pistils Use trichomes and pistils to find the right harvest window and dial in effect. Read article → Harvest Drying & Curing Cannabis Execute drying and curing systematically to preserve aroma, potency, and shelf life. Read article →

Software & Practice

Practice Grow Data Logging Collect data systematically to spot trends and optimize between crops. Read article → Software Cannabis Growing Software & AI Tools The best grow software solutions and AI tools for professional cultivation compared. Read article → Practice Grow Journal Template Structured template for your grow journal — ready to use and expand. Read article → Software Grow Room App Guide The best grow room apps for tracking, control, and data analysis compared. Read article →