Eurosolids Oligo Iron-DTPA 11% is a highly pure Iron fertilizer , which dissolves rapidly and completely. It allows to prepare the highest concentrated stock solution on the market. Iron DTPA is advised for hydroponics. Our product is dust free and is recommended at different phenological stages. The high level of Iron in our formula improves the production of chlorophyll.

  • Gives a strong apical zone, free of chlorosis
  • Iron 100% chelated and fully available up to a pH of 7
  • Developed for soilless grown crops
  • Recommended in case of recycled water with UV-sterilization


  • Free of Ammonium
  • Patented micro granulation process
  • Yellow microgranules
  • Easy to handle and apply, rapidly dissolvable at high conentration


In 1.000 l stock solution Fe in g Fe in mmol
0.1 kg 11 0.19
0.5 kg 55 0.98
1.0 kg 110 1.97
1.5 kg 165 2.95

Other Dosage

For foliar application you can choose between EDTA and IDHA. EDTA can also be used for open field fertigation in case of soils up to a pH of 6. For open field fertigation in alkaline soils you can choose between EDDHA and HBED. For high-tech soilless greenhouse, DTPA is your best choice.

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Compatible with other fertilizers. The pH of the tank solution should be above 4.

Packaging sizes

  • 1kg
  • 5kg
  • 10kg
  • 25kg

Fertilizing Knowledge

Our producers of Micronutrients

In the field of research and development, highly qualified engineers are constantly working on innovative technologies and products, which allow to bring new alternative chelated Micronutrient solutions to the market.

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