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 ourishing 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. For maximum benefit use with Flourish Phosphorus™ and Flourish Potassium™..

Sizes:100 mL, 250 L, 500 mL, 2 L, 4 L, 20 L
 

DIRECTIONS: BEGINNER: Use 2.5 mL (half a cap) for each 160 L (40 gallons*) twice a week or as needed in response to signs of nitrogen deficiency (e.g. stunted growth, chlorosis). For smaller doses, please note that each cap thread is approximately 1 mL. EXPERT: The beginner dose raises nitrogen by the same degree that 1 mg/L nitrate would. This dose is sufficient to provide approximately 4 g of growth (dry) or about 20 g (hydrated) over a 1 month period (assuming all other necessary nutrients are provided). For increased growth use proportionately more. To target a specific nitrogen increase, dose according to the following formula: 0.25vn=m, where v= volume of tank in gallons*, n=desired nitrogen increase (if using a “nitrate equivalent” value for “n” then use a factor of 0.05 instead of 0.25 in the formula) and m=volume of product to use in mL. For example to raise 20 gallons* by 0.20 mg/L nitrogen you would use: 0.25*20*0.20=1 mL.

Because one-half of the nitrogen in Flourish Nitrogen™ is from nitrate you can get a reasonable estimate of nitrogen levels by doubling a nitrate reading, or, you can use Seachem’s MultiTest: Total Nitrogen™ (coming soon!) to accurately measure total nitrogen while distinguishing between nitrate, ammonia and organic nitrogen.

Plant Dosing Chart. Click here.
Download the Plant Dosing Chart as a printable PDF here

 
Guaranteed Analysis
Total Nitrogen (N)
1.5%
1.5% Soluble Nitrogen
Soluble Potassium (K2O)
2%

Derived from: potassium nitrate, urea (iminium salt)
 
Want to know more?
Visit the Flourish Nitrogen™ FAQ
 

Flourish Phosphorus™ (being nitrate free) allows you to dose phosphorus according to the needs of your plants without the risk of overdosing nitrates. Likewise, because Flourish Nitrogen™ is phosphate free you can use both products together to target exactly the ideal amounts of each for your system. When used as directed Flourish Phosphorus™ will enhance and accelerate the growth of aquatic plants without enhancing algae growth..more...


Flourish Potassium™ contains 40,000 mg/L of potassium suitable for the natural freshwater aquarium. Potassium is an important element that is needed by all plants. In a thriving planted aquarium it can become the limiting factor to growth if it is depleted. Flourish Potassium™ is an integral component of Seachem's plant products and is recommended for use with the entire Flourish™ line. more...

 
 

Safety Information: Material Safety Data Sheet (MSDS)

 

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