4 pack of Seachem Flourish Nitrogen 250ml

Liquid nitrogen supplement for planted aquariums*Provides aquarium plants the macronutrient, nitrogen*Essential nutrient for aquarium plants showing nitrogen deficiencySupplies nitrogen, one of the three main macronutrients required by plants, in both the nitrate form and the plant-preferred ammonium form. Does not release ammonia. 500 ml treats up to 10,000 gallons.Recommended Dosage: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 t ideal for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.