Pack Size: 25kg

Oligo DTPA 11% is a concentrated, fully water soluble Iron fertiliser allowing users to produce a highly concentrated solution.


Oligo DTPA 11% is a highly concentrated form of Iron, which is 100% chelated and fully available until pH7. It is specifically designed for soilless crops and is dust free. Oligo DTPA 11% is free of Ammonium and easy to apply and handle, rapidly dissolving at high concentrations. The product is compatible with other fertilisers (Tank solution should remain above pH 4).

Oligo DTPA 11% is particularly important for:

  • Peak demand periods for Iron
  • Flowering, pollination and fruit set
  • Effectively preventing or correcting Iron deficiencies


Oligo DTPA 11% is a soluble free flowing yellow micro-granule,  and designed for hydroponics.


The actual rates, number of applications and their timing will vary considerably for different crops and for different districts. Before application, seek advice from your Campbell’s distributor.