Grodan Gro-Block Improved GR7.5, 4" x 4" x 3" (Case of 192) Nutrients and Supplements Precise Light Management: Fine-tune your

Precise Light Management: Fine-tune your lighting environment with accurate PAR/PPFD readings

Great for breeding experiments and seed-saving

Botanicare Sweet Berry – Enhance Flavor

CalCarb helps in recovery by increasing photosynthesis in the foliage that is not too seriously damaged and by raising the surface pH of damaged foliage which deters airborne pathogens form taking advantage of the weakened cellular tissue

Please note: There is no growing media included with this system

Grodan Gro-Block Improved GR7.5, 4" x 4" x 3" (Case of 192) Nutrients and Supplements Precise Light Management: Fine-tune yourGrodan Gro Block Improved GR7. 5 Medium with Hole, 4" x 4" x 3" Case of 192 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