rockwool

• 
  Manolo MJF
• 30-Sep-2025

Rockwool cubes in cannabis cultivation – how they’re made, how to use them properly, and what to watch out for. Learn about health risks, environmental impact, and eco-friendly alternatives.

• 
  Manolo MJF
• 28-Aug-2025

Rockwool, LECA, coco, perlite, phenolic foam… Match the medium to DWC, NFT, flood & drain, or drip so it helps—not hinders.

• 
  Manolo MJF
• 17-Aug-2025

Which substrate is best for hydroponics? A comparison of rockwool, clay pebbles, coco coir and more. Pros, cons, and practical tips for growers.