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Quick Details

  • Classification: Organic Fertilizer
  • Type: Humic Acid
  • CAS No.: 68514-28-3
  • Other Names: Potassium humate
  • MF: (OH)n-R-(COOH)n
  • EINECS No.: 215-809-6
  • Place of Origin: Shaanxi, China (Mainland)
  • Release Type: Quick
  • State: Powder, powder and flake
  • Purity: 100% Natural
  • Application: fertilizer
  • Brand Name: Citymax
  • Model Number: MAX UniqueHumate100
  • Product Name: Potassium humate
  • Color: Dark Brown
  • HA: 80%
  • FA: 15%
  • Source: Young Active Leonardite
  • PH: 9-11
  • Certificate: ISO9001
  • Water Solubility: 100%
  • WEBSITE: www.citymax-agro.com

Packaging & Delivery

Packaging Details 25kg Kraft Paper Bag
Delivery Time Within 15 days after received payment

Humic acid Fulvic acid Potassium Humate

Advantages of our Potassium humate

 MAX UniqueHumate100 (potassium humate) is a type of Potassium Humate derived from Leonardite. The content is extremely high in Humic and Fulvic Acid, and with the highest water solubility in both flake and powder form. 15% Fulvic acid makes this product soluble even when the water quality is hard. There will not have any residue when using this product. And Max UniqueHumate100 is still 100% soluble when the PH of liquid is under 2(which means strong acid). Therefore, if you are from Middle east or your water quality is hard, or maybe you want to make liquid formulation, Max UniqueHumate100 is best choice for you!

Details of Potassium Humate



Total humic acid dry basis 80%min                   
Fulvic acid dry basis 15%min
K2O 10%min
Water soluble 100%
Moisture 15%max


More information about Potassium Humate

MAX UniqueHumate100 (potassium humate) has the strongest water soluble and anti-hard water features. It's OMRI organic certification.  

Application of Potassium Humate

MAX UniqueHumate100  (potassium humate) is mainly used in agricultural crops, fruit trees, landscaping, gardening, pastures, grains and horticultural crops, etc.

Soil Application: 8-12kg/ha
Irrigation: 8-12kg/ha
Foliar Application: 5-8kg/ha with the dilution rate of 1:600-800

Benefits of Potassium Humate

• Anti- hard water, deflocculation
• Improves potash fertilizer utilization
• Slows decomposition to increase the release of potassium
• Promotes crop resistance to drought and disease
• Long-lasting and fast-acting
• Enhances water holding capacity of soil
• Reduces soil erosion and improves workability of soil
• Stimulates crop growth
• Regulates the release of nutrients
• Improves the quality of agricultural crops
• Improves efficacy of Herbicide
• Improves the efficiency of fertilizer
• Improves the yield of crops

Packages of Potassium Humate

Use Ultra HumiMax as a reference:

1kg, 5kg, 10kg, 20kg, 25kg per bag. Customized packaging are also available.

Certificate of Potassium Humate

ISO9901, OMRI organic certification.

The exhibitions we took part in


Why Choose us?

  1. We are a China Leading humic acid Manufacturer.
  2. Alibaba Assessed Gold Supplier.
  3. We are the only Chinese humic acid company who has OMRI certificate in every series.
  4. We have already attracted customers from more than 30 countries and regions.
  5. Cases in many countries.

How to Contact Us?

Send us your enquiry, and we would solve all problems of your soil and crops

Once you choose CITYMAX, forever we have a fulfilling relationship


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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $46,000
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