ESTA® Kieserit 26 fine

Magnesium sulfur power
Soil fertiliser ESTA Kieserit 26 fine
Soil fertiliser ESTA Kieserit 26 fine full area
For organic farming Certified for Organic Farming
26% MgO
= 15.7 % Mg
53% SO3
= 21.2 % S

Product information

ESTA Kieserit 26 fine is a sulfatic magnesium and sulfur fertilizer.

  • For the targeted supply of crops that are particularly in need of magnesium and sulfur or in the event of undersupplied soils.
  • For single application or for further processing in compound fertilizers.
  • For agriculture, horticulture, forestry and special crops.
  • Fine salt with good dosability in further processing and application.
  • Approved for use in organic farming according to Regulations (EU) No. 2018/848 and (EU) No. 2021/1165.
  • Contains only sulfatic sulfur and magnesium of natural origin (kieserite).
  • Quickly soluble in water and immediately available to plants.
  • Acts independently of the pH value of the soil.
  • No risk of soil salinization during drought conditions.
  • Enables sulfur fertilization independent of nitrogen application.
  • Improves nitrogen uptake due to good sulfur supply.
  • Magnesium increases root growth.
  • Extracted from natural crude salt deposits in Germany.


MgO, water-soluble magnesium oxide (= 15.7% Mg)
SO3, water-soluble sulfur trioxide (= 21.2% S)

Recommended Use

Suitability for Organic Farming

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