Seachem Flourish Nitrogen

3 reviews

Seachem Flourish Nitrogen is perfect for planted aquariums, aiding the nitrogen cycle that your plants need to grow healthy and beautiful. It won't add to the ammonia levels in your water either, so algae blooms can be avoided provided your water chemistry is good.


  • Flourish Nitrogen 500ml
    code: 623 In Stock (Only 5 left!)

Product Information

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%

Latest Customer Reviews

  • Rating
    Date 11/01/2018 08:01am
    Seachem Flourish Nitrogen 500ml
    Feefo Logo
    Returns good plant growth with other additives from seachem
  • Rating
    Date 08/01/2016 03:01am
    Seachem Flourish Nitrogen 500ml
    Feefo Logo
    Good quality products. Can not rate these guys enough, Thank you for quality service at a reasonable price.
  • Rating
    Date 05/02/2015 08:02am
    Seachem Flourish Nitrogen 500ml
    Feefo Logo
    Arrived next day and so far seems to be helping my planted tank out greatly.