Thermo Black and White Premium Poly is the strongest commercial grade 6.5mm (+/-) on the market. The white side reflects 90% of light back to your plants. The black side blocks all light penetration. This heavy duty waterproof poly comes individually bagged and boxed for customers' convenience.
New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volumeFull saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform optimized wool resulting in a sustainable water and nutrient use. Improved “re-wettab
Single crop slabVertical fiber orientationInert hydrophilic fibre technologyEasy root penetration for vigorous uniform crop growthExcellent irrigation efficiencyUniform WC distributionHigh re-satuartion capacitySustainable water and nutrient useGrodan Uni-Slab™ Single Plant Slab can support large plants throughout their lifecycle, allowing greenhouse and indoor growers to realize excellent productio
A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with instructions in a shrink-wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wrap.