RedRock Grow Block PRO, 6" x 6" x 5.3" (Case of 48) Commercial Lighting almost any non-porous material such

almost any non-porous material such as old plastic plates

• Solvent input manifold

Calcium is known to play a major role in the quality of many crops

00% Nitrate Nitrogen

RedRock Grow Block PRO, 6" x 6" x 5.3" (Case of 48) Commercial Lighting almost any non-porous material suchRedRock Grow Block PRO, 6" x 6" x 5. 3" (Case of 48) Dimensions: 42 40 Hole 15x15x13. 5cm Commercial grade stone wool pro starter blocks sourced and manufactured in North America. 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