Seachem Flourish Potassium
Flourish Potassium™ contains 50,000 mg/L of potassium, ideal for maintaining healthy plant growth in natural planted aquariums.
Potassium is a vital nutrient that supports vigorous plant development. In rapidly growing systems or when source water has low mineral content, potassium can become depleted. Signs of deficiency include yellowing of older leaves.
Flourish Potassium™ helps prevent potassium depletion and ensures optimal plant growth. It provides a targeted source of potassium without contributing to nitrogen or phosphorus levels.
| Specification | Value |
|---|---|
| Potassium Content | 50,000 mg/L |
| Form | Water-soluble powder |
| Usage | For planted aquariums |
FAQ
Can Flourish Potassium be used in a freshwater planted aquarium?
Yes, Flourish Potassium is specifically formulated for use in freshwater planted aquariums.
Does Flourish Potassium affect nitrogen or phosphorus levels?
No, Flourish Potassium provides potassium without adding nitrogen or phosphorus, allowing for precise nutrient management.
How often should Flourish Potassium be added to the aquarium?
Follow the recommended dosage based on tank size and plant growth rate. Typically, it is added once every 2 to 4 weeks.


Sebastian Young –
My planted tank has been thriving since I started using Flourish Potassium. The leaves are greener and fuller, and I no longer see yellowing on the older leaves. It’s a simple and effective solution for maintaining potassium levels.
Audrey Cornish –
I noticed a clear improvement in plant health after adding Flourish Potassium. The growth rate increased, and the plants look more vibrant. I appreciate that it doesn’t add extra nitrogen or phosphorus.
Leonard Abraham –
This product solved a long-standing issue with yellowing leaves. My aquarium plants are now growing steadily and look much healthier. I recommend it to any planted tank owner.