Product description: A very good organic fertilizer,it's nature source fertilizer and much better than inorganic chemical fertilizer,it has better property than Sodium humate when used as organic fertilizer.it's too much better than the inorganic chemical fertilizer when used as fertilizer,it can improve the poor earth property. while the price is not expensive.at present potassium humate has been widely accepted by global agriculture company and farm. As fertilizer: a nature source fertilizer and much better than chemical fertilizer; As industrial colorant: can dyeing the paper and water etc. Potassium Humate: CAS No.: 68514-28-3 Molecular Weight: 258.14 Molecular Formula: C9H8K2O4 HA Content: ≥55% PH Vlaue: 8-9 K Content: 8-9% Moisture: ≤15% Fineness: 40-60 mess HA contains is 55-60%,PH value 8-9,K value 8-9%, moisture less than 15%, the appearance is in flake and also powder black form,can be fully soluble in water,the package is 25kgs/50kgs in woven bags,or 500/1000kgs in big bags inside with film bags