ESTA® Kieserit FINE

Magnesium sulfur power
Soil fertiliser  ESTA Kieserit fine
Soil fertiliser  ESTA Kieserit fine full area
For organic farming Certified for Organic Farming
27% MgO
= 16.3 % Mg
55.5% SO3
= 22.2 % S

Product information

ESTA Kieserit FINE is a sulfatic magnesium and sulfur fertilizer.

  • For the targeted supply of crops requiring magnesium and sulfur or for undersupplied soils.
  • For single application or for further processing in complex fertilizers.
  • For agriculture, horticulture, forestry, and special crops.
  • Fine salt with good dosability in further processing and application.
  • Approved for use in organic farming in accordance with 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 of the soil.
  • No risk of soil salinization during drought.
  • Allows sulfur fertilization independent of nitrogen application.
  • Improves nitrogen uptake through good sulfur supply.
  • Magnesium increases root growth.
  • Extracted from natural crude salt deposits in Germany.


MgO, water-soluble magnesium oxide (= 16.3% Mg)
SO3, water-soluble sulfur trioxide (= 22.2% S)

Recommended Use

Suitability for Organic Farming

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