fertilizers

• 
  Manolo MJF
• 05-Sep-2025

How to read cannabis leaves in coco, DWC/RDWC, aeroponics, rockwool and other media. pH/EC ranges, the most common symptoms (Ca/Mg, K, Fe…), quick fixes and “false alarms” (root oxygen, solution temperature, spray nozzles). Tables + downloadable charts.

• 
  Manolo MJF
• 05-Sep-2025

A complete guide to leaf symptoms in cannabis: nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, manganese, zinc, copper, boron, molybdenum, chlorine, sodium, and toxicities. Nutrient availability vs pH table, diagnostic checklist, quick fixes, and “false alarms” (overwatering, wind, light, pests).

• 
  Manolo MJF
• 05-Sep-2025

How to feed cannabis in soil: when plain water, when half-strength, when full; pH 6.3–6.8, a simple water–water–feed rhythm, how much water per pot and how not to overdo it.

• 
  Manolo MJF
• 27-Aug-2025

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.

• 
  Manolo MJF
• 26-Aug-2025

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.

• 
  Manolo MJF
• 26-Aug-2025

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.

• 
  Manolo MJF
• 20-Aug-2025

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.

• 15-Aug-2025

Nutrient burn is a common problem in cannabis cultivation that can ruin your harvest. How to recognize it, what to do if it happens, and how to prevent overfeeding your plants in the future.