Grodan® Stonewool A-OK Starter 1.5 slab, 30ct (Case) Trimming multiple sources of nitrogen and

multiple sources of nitrogen and fully chelated micro-nutrients

Strengthens plants so they can support an explosive bloom phase

amino acids and carbohydrates

One of the most unique products ever created that has made Humboldt County’s Own a legend in the Hydroponic Industry

This increased production capacity leads to a much tougher and more durable plant able to sustain an increased final yield

Grodan® Stonewool A-OK Starter 1.5 slab, 30ct (Case) Trimming multiple sources of nitrogen andA OK Starter 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.