Seawinner Seaweed Amino Liquid 1.Certificate:ISO,IMO 2.PH:5-8 3.Dpecific gravity:1.10-1.15 4.Delivery time ... :10-20days Seaweed Amino (Seaweed Fertilizer)Product character:Black brown liquid ... ; much secondary element and microelements, cytokinin, betaine, vitamine, trehalase, amino acid.Efficacy:Supply organic nitrogen, increase soil fertility, enhance crop ...