General Hydroponics pH Up Liquid (4 L / 1 gal)

"Grodan Improved Gro-Slabs offer a wide control range to steer your crop using simple irrigation strategies. They can also be resaturated quickly and effectively. The WC and EC are distributed uniformly throughout the slabs. As a result

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

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.

A non-toxic, biodegradable, and environmentally friendly cleaner that removes and prevents the buildup of salts and minerals in irrigation lines and grow media.When paired with nutrient feed and used from the beginning of your grow cycle, HYCLEAN™ keeps your system and grow media clean, preventing toxicities or imbalances and resulting in a higher quality finished product.HYCLEAN™ can be used for regular maintenance and cleaning of your irrigation system, while gro