RedRock Starter Block PRO w/ 42/40 Hole – 10x10x10cm

Commercial grade pro stone wool starter blocks manufactured from high-grade US made raw material.
  • Our Stone wool is made in the USA
  • 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
w/ 42/40 Hole – 10x10x10cm – 4-Inch x 4-Inch x 4-Inch