Organic AG Products Pure Protein Dry Organic Fish Fertilizer, 5 lb.Pure Protein Dry (PPD) is a powerful organic fish fertilizer containing amino acids and beneficial enzymes. It is a complete nutrient for plants and microbes with 15 1 1. 1 Pound will replace 5 7 Gallons of Liquid Fish. 40lbs will replace a 275 gallon IBL tote of Liquid Fish Hydrolysate and be better. The codfish hydrolysate is cold processed and freeze dried into 100% water soluble powder that can be used with soil or any aeroponic, hydroponic, or