Phosphorus is one of the main three macro nutrients (nitrogen, phosphorous, potassium: NPK) required by plants and can often become the limiting factor to growth in a flourishing system. Flourish Phosphorus™ is a safe solution (4,500 mg/L phosphate) of potassium phosphate that takes the guess work out of phosphate dosing. Unlike competing products that mix nitrate and phosphate in a fixed ratio, Flourish Phosphorus™ (being nitrate free) allows you to dose phosphorus according to the needs of your plants without the risk of overdosing nitrates. When used as directed, Flourish Phosphorus™will enhance and accelerate the growth of aquatic plants without enhancing algae growth. For maximum benefit, use with Flourish Nitrogen™ and Flourish Potassium™. Flourish Phosphorus™ is safe for invertebrates such as shrimp.
Sizes: 100 mL, 250 mL, 500 mL, 2 L, 4 L
A: This is true, but only when phosphorus levels become excessive, that is, when there is more phosphorus available than the plants can use. When this happens, it becomes available to algae. Phosphorus is still vital to plant growth, though. Flourish Phosphorus should be used in cases where there is a phosphorus deficiency.
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|Amounts per 1 g
|Available Phosphate (P2O5)
|Soluble Potash (K2O)
Derived from: Potassium phosphate