A product, system and method for an improved plant fertilizer made from harvested skimmate from a reservoir filed with a reduced sodium, artificial ocean water solution and live fish that produce fish excrement (reclaimed as skimmate). The skimmate contains a reduced concentration of sodium as a result of being harvested from a reduced sodium aquatic solution. The harvested skimmate is mixed with one or more additives to produce an improved fertilizer that may be certified as organic.