Supreme Growers Myco BlastMyco Blast is a highly concentrated indo and ecto mycorrhizal inoculant, fortified with beneficial bacteria and ascophyllum nodosum kelp. Soak seed in Myco Blast to increase germination rates and use with every transplant for best results. Water soluble powder Instant fungal and bacterial inoculation Compatible with soil and soil less media Compatible with all nutrient lines Sizes: 50 stick box comes with 50 single use stick packs 5 ounce case