Description
Overview
Flourish Potassium™ is a highly concentrated potassium supplement for the planted aquarium, providing 50,000 mg/L of potassium. Potassium is essential for maintaining vigorous plant growth and can become a limiting factor in rapidly growing aquaria or systems with low mineral content. Flourish Potassium™ helps prevent potassium deficiency, which is indicated by yellowing older leaves, necrosis, pinholes, and weak stems or roots. It is safe to use with Flourish Nitrogen™ and Flourish Phosphorus™ and is suitable for invertebrates such as shrimp.
Key Features
- Potassium supplement for planted aquaria
- Highly concentrated: 50,000 mg/L
- Free of phosphate and nitrate for precise NPK control
- Maintains vigorous plant growth and prevents deficiency
- Safe for shrimp and other invertebrates
- Available in sizes: 50 mL, 100 mL, 250 mL, 500 mL, 2 L, 4 L
Directions
- Use 1 capful (5 mL) per 125 L (30 US gallons).
- This dose raises potassium by ~2 mg/L.
- Repeat 2–3 times per week, or as needed in response to signs of potassium deficiency (yellowing, necrosis, pinholes, weak stems/roots).
Ingredients
Amounts per 1 g:
- Soluble Potash (K2O) 5%
Derived from: Potassium sulfate
Note: Elemental potassium is present at 50,000 ppm (5%). Fertilizer laws require potassium to be listed as K2O rather than elemental equivalence.