Grow Block 6x6x5.3 - 48/case

Commercial grade PRO Stone wool grow blocks sourced and manufactured in North America.

  • Stone wool grow blocks are made in the USA
  • RedRock Stonewool grow blocks PRO are priced for commercial agriculture production
  • Stone wool has high fiber density makes better use of water and fertilizers while allowing dry back
  • Sizes available for any crop

w/ 42/40 Hole - 15x15x13.5cm - 6-Inch x 6-Inch x 5.3-Inch