Grodan Gro-Block Improved GR5.6 Large with Hole, 3" x 3" x 4" (Case of 256) spl_spectrumking including challenging fragile-stemmed varieties

including challenging fragile-stemmed varieties

you usually need additives to achieve desired levels for your plants

Important Warranty & Return Information

the 150 boasts 2

Grodan Gro-Block Improved GR5.6 Large with Hole, 3" x 3" x 4" (Case of 256) spl_spectrumking including challenging fragile-stemmed varietiesGrodan Gro Block Improved GR5. 6 Large with Hole, 3" x 3" x 4" (Case of 256) New and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire