A specifically formulated fertilizer used to create the concentrated "B" tank stock solution. Used in conjunction with calcium nitrate (in a separate tank) if necessary. Add acid if required to adjust pH.

Recommended for use by growers with a reasonable understanding of the principles of hydroponic crop production.


  • Probably the very first ‘speciality fertilizer’ and used continuously since 1946 by professional growers all over the world.
  • Developed for most crops that are capable of being grown hydroponically.
  • Ideal for use with automated electrical conductivity (EC) and pH linked injector systems but also suitable for simple diluter systems.
  • Manufactured using only the highest grade, pure raw materials under stringent quality control systems.


Total Nitrogen (N):  8.8 %
Nitrate nitrogen (N):  8.8 %
Phosphorus Pentoxide (P205) soluble in neutral ammonium citrate and water: 6.8 % (P: 2.9 %)
Potassium Oxide (K2O) soluble in water:  36.0 % (K: 29.8 %)
Magnesium Oxide (MgO) soluble in water: 5.3 % (Mg: 3.2%)
Boron (B) soluble in water: 0.03%
Copper (Cu) soluble in water:  0.017% (chelated by EDTA: 0.017%)
Iron (Fe) soluble in water:  0.17% (chelated by EDTA: 0.17%)
Manganese (Mn) soluble in water:  0.075% (chelated by EDTA: 0.075%)
Molybdenum (Mo) soluble in water:  0.004%
Zinc (Zn) soluble in water:  0.08% (chelated by EDTA: 0.08%)

Pack Size

1 kg cartons and 20 kg bags, 50 per pallet.
Solufeed F
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Solufeed F Technical Data Sheet

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