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Quick Details

  • Classification: Organic Fertilizer
  • Type: Humic Acid
  • CAS No.: 68514-28-3
  • Other Names: Humic acid potassium salt
  • MF: C9H8K2O4
  • EINECS No.: 271-030-1
  • Place of Origin: China (Mainland)
  • Release Type: Quick
  • State: Powder
  • Purity: Humic Acid(Dry Basis)80%
  • Application: Agriculture fertilizer
  • Brand Name: CITYMAX
  • Model Number: MAX UniqueHumate100
  • Product Name: humic acid flake
  • Color: Dark
  • Appearance: shiny flake and fine powder
  • Source: Leonardite
  • Humic Acid(Dry Basis): 80%
  • Fulvic Acid(Dry Basis): 15%
  • Potassium(As K2O): 10%
  • Water Solublity: 100% water soluble and deflocculation anti-hard water
  • Grade: High
  • Certificate: OMRI

Packaging & Delivery

Packaging Details 500g/can, 1kg/bag, 1kg/box,10kg/Bag,25kg/Bag or as per your request
Delivery Time Within10- 15 days after the receipt of the payment

Super humic acid flake

What advantages that our humic acid flake have

1 Form:Flake and powder
3 Certification:OMRI,ISO
4 100%water solubility and deflocculation anti-hard water 

Humic acid flake details

Product Name

MAX UniqueHumate100

Humic Acid(Dry Basis)


Fulvic Acid(Dry Basis)


Potassium(As K2O)


Water Solubility





Shiny flake and fine powder


Store in cool and dry place


500g/can,1kg/box,10kg/Bag,25kg/Bag or as per your request

Shelf life


Humic acid flake more information

MAX UniqueHumate100 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 

Humic acid flake application

MAX UniqueHumate100 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

Humic acid flake benefits

• Anti- hard water, deflocculation
• 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

Humic acid flake packages

Humic acid flake certificate

The exhibitions we took part in


Why Choose us?

  1. We are a China Leading Manufacturer.
  2. Alibaba Assessed Gold Supplier.
  3. We are the only Chinese 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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