Grodan 1.5" Mini Blocks Rockwool Seed Germination Starter Cubes, 15 Wrapped Cubes + THCity Stakes

Includes: 15 cubes of Grodan 1.5" Mini Blocks + 5 THCity Stakes Starter Mini-Blocks can sit in a tray (flat) without support for easy starting of seeds and cuttings Has a tremendous capacity for absorbing nutrient solutions while retaining plenty of oxygen for rapid plant growth Very controllable, so growers are able to steer plant growth Usable in recirculating systems from first drain, reducing water and fertilizer usage Uniform growing substrate which results in consistent plant growth Lightweight, pathogen-free, disease-free, seed-free Excellent buffer and re-saturation capability