We are manufacturer of supplying different types of organic fertilizer including humic acids, potassium humate, sodium humate and fulvic acid etc. Our potassium humate is a dark black humate derived from leonardite with high content of humic acid. When applied to soils it helps break compacted soils allowing for improved water penetration.For sandy soils, our humic acid adds essential organic material necessary for water retention and enhancing the sandy soil's ability to retain and not leach out vital plant nutrients.Any requires pls contact with us sales1@gzgreentop.Com. Specification: Appearance:black powder/flake/granule Size:80-100 mesh/1-3mm/2-5mm Humic acid:50-55%, 60-65%, 70%min K2o:10%min Water-solubility:80-85%, 98%min Moisture:15%max Ph:9.0-11.0 Benefits include: Â?� improved nutrient uptake Â?� increased chlorophyll synthesis Â?� stimulates beneficial microbial activity Â?� healthier plants and improved yields Â?� increases root vitality Â?� frees up nutrients in soil to make them more readily available to the plant Â?� and much moreâ?¦ Packaging: 25kg/bags or 1000kgs super sacks Custom packaging for potassium humate is available based on quantity -