High Quality Organic Anti Hard Water Natural Potassium Humate Flake Fertilizer

High Quality Organic Anti Hard Water Natural Potassium Humate Flake Fertilizer. Fast Water Solubility: 98% water solubility ensures rapid absorption and application convenience. Professional Manufacturer: Over 15 years of experience in humic acid R&D, production, and sales. Rigorous Quality Control: Three laboratories in Tianjin, Shanxi, and Shandong ensure strict testing. Flexible Packaging: Available in 1kg to 1MT bags, customizable to customer requirements. Reliable After-Sale Service: Free replacement or refund for any quality problems caused by the seller. Certified Quality: Products are ISO and Ceres certified, ensuring international standards. Free Sample Testing: Free samples provided for quality testing; buyer pays freight only.