Commercial grade 4 inch stonewool starter blocks manufactured in North America.
- Our Stone wool starter blocks are sourced and manufactured in North America
- Wetting agent ensures nutrients are immediately plant available
- The high fiber density of the stone wool starter blocks makes better use of water and fertilizers while allowing dry back
- Our stone wool starter blocks are priced for commercial agriculture production
- Sizes available for any crop
- RedRock stone wool starter blocks are processed in Canada
- This white label product was sold to the largest cultivators in North America for years and is now available to you