Grodan Expert 8" Gro-Slab 20/75 (12) 10x10 100% natural mineral soil amendment

100% natural mineral soil amendment for lawns

which means there are no harsh vibrations

000 cubic feet) or approximately 166 m² (500 m³)

Monitor pH and EC/PPM during every feeding cycle

and reliable

Grodan Expert 8" Gro-Slab 20/75 (12) 10x10 100% natural mineral soil amendmentMost plants can grow in Gro Slabs but they are particularly good for growing large vine crops such as tomatoes or cucumbers. For plants growing outdoors during mid day sun Gro Slabs provide a good water buffer. The 12 Gro Slab is considered a wet slab due to its horizontal fibers. It holds more water than other slabs and can support more plants than any stone wool slab. The rest of the Gro Slabs are all comprised of vertical fibers, which allow for