Monitoring and Supplemental CO₂ – Is It Worth the Investment?

Is adding CO₂ to an indoor grow worth it? How to monitor, optimal ppm, gear, costs, safety, and the real return on investment.

When to Start and When to Stop Fertilizing?

When should you start fertilizing and when should you stop? This is one of the most common questions for new growers. Learn why seedlings don’t need full feeding yet, how nutrient demand gradually increases, and when it’s best to transition to bloom formulas and finally to flushing before harvest.

What Is EC and How to Measure It?

EC (Electrical Conductivity) is the electrical conductivity of the nutrient solution, a simple indicator of dissolved salts. Learn what EC really measures, how to properly calibrate and use an EC meter, typical ranges for vegetative and flowering stages, and how to avoid mistakes with temperature, bubbles, and hard water.

Vegetative Stage vs. Flowering – Different Nutritional Needs

The vegetative stage and flowering are two phases with completely different nutritional needs. Learn how the plant’s demand for nitrogen, phosphorus, potassium and micronutrients changes, and how to adjust fertilization to avoid mistakes.

Supermarket Soil vs. Specialized Mixes – Which Should You Choose?

Is supermarket soil good enough for growing, or should you invest in specialized mixes? A grower’s guide: pros, cons, differences in composition, and practical advice for beginners.

DIY Hydroponics: Build 3 Proven Systems from Cheap, Readily Available Parts

How to build your own hydroponic systems: NFT from gutters/pipes, DWC from buckets and totes, and passive Kratky from a container. What to buy, how to assemble, what to watch out for. Simple diagrams and garage hacks.

The Best Cannabis Strains for Beginner Growers

Discover the top cannabis strains for beginners – an essay exploring easy, forgiving, and resilient varieties. Learn what makes a strain perfect for novice growers: resistance, simplicity, balanced effects, and proven reliability, so your first harvest is a true success.

Step-by-Step Diagnosis – How to Identify Leaf Spot Problems in Cannabis

A practical, step-by-step guide to diagnosing leaf changes in cannabis. Learn how to spot different leaf spots, colors, causes of disease, deficiencies, pests, and unwanted growing conditions with clear explanations. Keywords: cannabis leaf problem guide, diagnose leaf spots.

Calendar of Cannabis Diseases in a Temperate Climate – Expanded Outdoor & Greenhouse Guide Month by Month

A detailed calendar of cannabis diseases in a temperate climate – your monthly guide to outdoor and greenhouse threats. Learn when to expect mold, rot, and pests, how to protect your crop, and keep harvests healthy all season long. Outdoor mould calendar and cannabis disease season made simple for growers.

Algae and Biofilm in Hydroponics – Not a Plant Disease, but a Source of Chaos

Learn about the real risks of algae and biofilm in hydroponic systems. Discover how these hidden threats disrupt water quality, sensor readings, and plant health—even if they don’t cause direct disease. Practical tips from a seasoned grower for managing “algae hydroponics” and “biofilm in the tank

Collar/Crown Rot Diseases in Cannabis – Extended Guide to Symptoms, Causes, Prevention, and Related Root Threats

Discover how to identify, prevent, and manage collar/crown rot in cannabis (crown rot cannabis). Learn about the key symptoms near the soil line, the impact of watering routines, and related root diseases that threaten healthy grows. Essential knowledge for growers who want to avoid stem base rot and maintain vigorous plants.

Mosaic Viruses “TMV-like” in Cannabis Cultivation – Controversies, Misdiagnoses

Learn how to recognize TMV-like (Tobacco Mosaic Virus-like) symptoms in cannabis, avoid common misdiagnoses, and distinguish viral mosaic from nutrient deficiencies and phytotoxicity. Find practical answers to essential grower questions and keep your crop safe from mosaic viruses.