Grodan Stone Wool Gro-Slabs Expert Slab 20/75 8 x 3 x 36 Single Slab Perlite 75% and 84% if the

75% and 84% if the application needs more moisture

This large-grind mix is 100% soluble and will not clog irrigation systems or leave sediment in reservoirs

We have taken our decades of experience formulating nutrients for specialty crops globally to create this optimal blend

Advanced Nutrients - pH Up Advanced Nutrients pH Up is a meticulously crafted pH booster for those serious about their plant's health

Grodan Stone Wool Gro-Slabs Expert Slab 20/75 8 x 3 x 36 Single Slab Perlite 75% and 84% if theGrodan Stonewool Gro Slabs Expert Slab 20 75 8 x 3 x 36 Single Slab Grodan introduces the Stonewool Gro Slabs Expert Slab 20 75, tailored exclusively for hobbyists looking to maximize their plant growth potential. This slab is meticulously crafted to offer faster drainage due to its unique vertical fibers, setting it apart from the Classic series. Why Choose Grodan Stonewool Gro Slabs Expert Slab 20 75? Designed for Hobbyists: This slab is perfect for