macronutrients

• 
  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
• 17-Aug-2025

Organic or mineral fertilizers? A comparison of sources, effects, and hybrid strategies. How to choose the best approach for indoor and outdoor cultivation to achieve healthy plants and abundant harvests.