... crops, potting soil, vegetable and flower) Product type:seaweed extractGrade:fertilizerColor:brownState:powderPurity:min97%Place of origin:Fujian ... of fineness:40-60meshAdvantage:1. Seaweed Fertilizeris a 100% fresh seaweed extract from brown seaweed such as sargassum, ascophylium nodosum, ... South America Samples: If you want any kind of seaweed fertilizer ,you could contact with me ,and we can ...