Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole, case of 18 X Nutrients bloom Packed with high levels of

Packed with high levels of potassium and phosphorous

Active Ingredient: Ulocladium oudemansii (U3 strain) — 5 × 10⁸ CFU/g (minimum)

feed your plants the legendary Primal Harvest

is the best of both worlds

9 µmol/J System PPE – Whole-fixture efficiency that outperforms most competing 1000W-class LEDs on the market

Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole, case of 18 X Nutrients bloom Packed with high levels ofGrodan Improved Gro BlocksLeverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro Blocks Improved with Advanced Wetting Technology Grodan's improved stone wool substrate. Keep it RealReal ScienceGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone