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They are 100% water soluble formulas containing a properly balanced mixture of all essential plant nutrients with quality-enhancing elements: calcium
flowering shrubs and even onions and garlic
and flower formation
120 Volt power supply included
this product contains a small amount of glycerin to help reduce that tendency
Grodan Improved Hugo Gro-Block, 6" x 6" x 5.8" - CASE OF 64 PH Down They are 100% water solubleGrodan Improved Hugo (White Foil) 6 x 6 x 5. 8 (Case of 64) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with our Advanced Wetting Agent. These leading edge blocks have the