Seaweed Fertilizer, Seaweed extract liquid, seaweed organic fertilizer. Used by spraying and irrigation / fertigation, Liquid Seaweed Extract (Seaweed Fertilizer) [1.2. Alga-2008-I (seaweed extract liquid)] Product character: Black ... ≥200ppm; much secondary element and microelements, cytokinin, betaine, vitamine, trehalase, amino acid. PH=8-10, specific gravity: 1.10-1.15Formulation ...