Seachem Flourish Nitrogen™ is one of the main three macro nutrients (Nitrogen, Phosphorus, Potassium: NPK) required by plants and can often become the limiting factor to growth in a flourishing system

Flourish Nitrogen™ is a concentrated (15,000 mg/L) blend of nitrogen sources. It provides nitrogen in both the nitrate form and the plant-preferred ammonium form. However, no free ammonia is released because the ammonium in Flourish Nitrogen™ is complexed and unavailable until utilized by the plants

Flourish Nitrogen™ also provides nitrate for those plants that can readily utilize nitrate as well

Unlike competing products, Flourish Nitrogen™ is entirely phosphorus-free, making it possible to adjust the nitrogen level in an aquarium without affecting phosphorus levels

For maximum benefit use with Seachem Flourish Phosphorus™ and Seachem Flourish Potassium™