6X Stronger Super-Concentrated Powder – 2 oz pouch makes up to 50 gallons of highly water soluble powder mixable liquid kelp fertilizer for large and small indoor gardens, vegetable beds, and hydroponics and houseplants this is the best value on the market.
Organic Sea Kelp Fertilizer for Plants Water Soluble Makes 50 Gallons Kelp Meal
Smart Grower Organic Sea-Kelp Fertilizer is a concentrated, water-soluble powder designed for all types of gardens and growing systems. Made from Ascophyllum nodosum, this organic kelp extract provides 18 percent soluble potash to enhance nutrient uptake and improve plant stress resistance.