HydroOrganics HOH35084 20-Pound Hydro Organics SeaBlast 17-8-17 Grow Plant Supplement Seablast grow is a water-soluble plant food that will promote vigorous vegetative growth For use with planting mixes, coir and native soils Available for indoor and outdoor plants Water-soluble plant food with seaweed, marinebird fossilized guano, steamed bone meal and micronutrients Ideal for both foliage plants and for the growth phase of flowering and fruiting plants