Detailed information on stone wool including tips on Grodan Rockwool Hydroponic Products. Top quality stonewool manufacturers specifically engineered products for propagating young plants, cut-flower production and greenhouse vegetable production.
This is a clean product, no pollutants or harmful bacteria. It does not lock up or release any substances, ensuring all water and nutrients are available to the plant. It is easy to control and steer the growth of the crop to achieve higher yields than seen in soil-bound cultivation. Stone wool can be recycled (eg composting).
Grodan’s stone wool are specially designed for irrigation efficiency and uniformity.
Sizing Chart in Inches for Propagation Materials (AO Plugs), Growing Blocks (DM 4 and DM6) and Grow Slabs or Grow Bags. This handout is a little old but will help you if you are looking for specific details on Grodan Rockwool Hydroponic Products.