... spectrum of chelated micronutrients, seaweed organic fertilizer. 1.4 Seaweed functional compound liquid (Seaweed Extract Fertilizer)Product character: Black brown liquid, specific gravity:1.30 ... , Alginic acid≥14 g/L, Seaweed extract≥180 g/L, Organic matter≥150 g/L, Fe(EDTA)≥16 g/L, Cu ... : 200 Liters/drum or required by customers Seaweed Functional Compound Liquid Foliar Fertilizer