Author: Manolo MJF

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

Cannabis plant physiopathologies—like tip burn, light burn, heat stress, and salt damage—often look like diseases but aren’t. Here’s a fast, practical diagnostic cheat sheet: learn how to spot, fix, and avoid these problems, and stop panicking over every brown spot.

Anthracnose in cannabis (necrotic, dried patches on leaves, petiole and vein damage) is a sneaky fungal disease that's easy to overlook or misdiagnose. Learn to recognize the signs, react quickly, and protect your plants from major trouble—practical advice from an experienced grower, simple treatments, and the mistakes most newbies make, all explained in everyday language.