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At a glance...
  • Nitrogen supplement for planted aquariums
  • Provides nitrogen in the nitrate form and plant-preferred ammonium form
  • Phosphate free
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Seachem Flourish Nitrogen is a concentrated blend of nitrogen sources. It provides nitrogen in both the nitrate form and the plant-preferred ammonium form. However free ammonia is not released, as the ammonium in Flourish Nitrogen is a complex compound and not available until used by aquatic plants.It does provide nitrate however, so plants that utilise nitrate have a ready supply. Flourish Nitrogen is phosphate free so lessens the risk of heightened phosphorus levels. For maximum benefit use with Flourish Phosphorus and Flourish Potassium.

Key Features:

  • Nitrogen in nitrate form and plant preferred ammonium form
  • Phosphate free
  • To feed the plants


Use 2.5 ml for each 160 L twice a week or as needed in response to signs of nitrogen deficiency (e.g. stunted growth, chlorosis).



Nitrogen 1.5%, Soluble Potash (K2O) 2%

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