RedRock Starter Block PRO w/ 42/40 Hole -4-Inch x 4-Inch x 4-Inch - CASE OF 144

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