German technology
Humic Substances Based Products
Humintech GmbH
Am Pösenberg 9-13
D-41517 Grevenbroich

Telefon: +49 2181 70 676 - 0
Fax: +49 2181 70 676 - 22
E-Mail senden

LIQHUMUS® Liquid 18 is a liquid organic plant growth stimulant and soil conditioner based on active humic acid (potassium humate). LIQHUMUS® Liquid 18 is a bioactive growth stimulant, especially for sandy and heavy clay soils. LIQHUMUS® Liquid 18 is a permanent humic substance which cannot be easily decomposed by soil microorganisms. LIQHUMUS® Liquid 18 is miscible with other operating fluids, prepare test mixture before use. LIQHUMUS® Liquid 18 has a stimulating effect on plant growth in the soil and especially on stronger root development. This improves the absorption of nutrients. An increased root biomass remains in the soil, which contributes to the development of further permanent humus. For plant strengthening, the living conditions for useful soil microorganisms are improved.


  • Immediately improves plant nutrient absorption and fertilizer efficiency of soils
  • Increases the stress tolerance of plants against drought, salt, cold and heat
  • Stimulates vigorous root growth and yield formation
  • Increases the buffering and cation exchange capacity of soils
  • Acts as a natural chelator for micronutrients in soils and increases their availability to plants
  • Stimulates the formation of fertile, microbially active soils
  • Improves the soil structure and increases its water holding capacity
  • Increases the germination of seeds and enhances development of free radicles


  • Agriculture
  • Vegetable Production
  • Fruit Production
  • Substrate Cultivation
  • Hydroponics
  • Turf and Landscaping
  • Seed Treatment


25 - 45 L/ha divided into several applications (5 - 10 L/ha) during the vegetation period

75 - 150 ml/100 L water every two weeks during the vegetation period

0.5 - 2.5 L/m³

0.5 % or 500 ml/100 kg seed dressing according to thousand grain weight (T.G.W.)

50 - 150 ml/1000 L nutrient solution during the cultivation cycle

* These are standard recommendations that can vary according to soil properties, cultivated crop and local system conditions.

INHERENT COMPOSITION  (Typical values based on Fresh Matter)

Potassium - Humates

20 - 21 %

Total Humic Acids 1/2 

18 %

Humic Acid 1

14 %

Fulvic Acid 1

4 %

Potassium (K2O)

2.5 - 3 %

Dry Matter

22 - 23 %

Organic Substance

17 - 18 %

pH - value

9.5 - 10.5


1.12 kg/L

 Particle sizes

100 – 150 μm

1 according to ISO 19822 / HPTA / AAPFCO / IHSS Analysis method 
2 according to CDFA  18 % / Colorimetric method 20 %
“All Humintech humic substances based products are analysed according to the HPTA test method (ISO 19822:2018) to determine the content of humic and hydrophobic fulvic acids. Most suppliers are using the more simple “colorimetric” analysis method to determine the humic and fulvic acid contents, but experience shows that, due to its inaccuracy, this method indicates higher contents and is not suited to identify non humic substances such as lignosulphonates. In order to maintain the highest quality standard, Humintech has therefore decided to use the currently best analytical standard for the determination of humic and fulvic acids within the scope of quality control.”


Store in a dry place, protected from frost, heat and direct sunlight. Store out of the reach of children!

Delivery specs

1 L

5/10/20 L


Other options:

If you are looking for a highly concentrated water soluble Humic Acid POWHUMUS® WSG 85

Organic Soil Conditioner POWHUMUS® WSG 85 Find out more

If you are looking for a liquid Humic Acid with a high percentage of Fulvic Acid FULVAGRA® Liquid 25.

Highly Bioactive Growth Promoting  FULVAGRA® Liquid 25 Find out more

If you are looking for a high quality liquid native Humic Acid Suspension HS®-300BIO BASIC

Organic Soil Conditioner HS®-300BIO BASIC Find out more

If you are looking for a Granulated Natural Humic Acids PERLHUMUS® Granules

Organic Soil Conditioner  PERLHUMUS® Granules Find out more


Humintech is a biotech company based in Grevenbroich, Germany. We are primarily focused on the research, development and industrial production of humic matter and humic acids for the agricultural sector. Our products find further use in pharmaceutical, construction industry, for ecological purposes such as water purification and soil decontamination.


Humintech GmbH

Am Pösenberg 9-13
41517 Grevenbroich / Deutschland 

Phone: +49 2181 70 676 - 0
Fax: +49 2181 70 676 - 22


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