SEACHEM FLOURISH POTASSIUM 100ML
Flourish Potassium™ contains 50,000 mg/L of potassium, ideal for maintaining healthy plant growth in natural planted aquariums.
Potassium is essential for vigorous plant growth and can become depleted in fast-growing systems or when source water has low mineral content. A deficiency may cause yellowing in older plant leaves.
Using Flourish Potassium™ helps prevent potassium depletion and supports consistent plant development.
Key Features
| Component | Amount |
|---|---|
| Potassium | 50,000 mg/L |
| Form | Water-soluble supplement |
| Volume | 100 mL |
FAQ
Can Flourish Potassium be used with other liquid fertilizers?
Yes, Flourish Potassium can be used alongside other liquid fertilizers. However, it is recommended to monitor plant response and adjust dosages to avoid over-supplementation of potassium.
How often should I add Flourish Potassium to my aquarium?
Add once every 2 to 4 weeks, depending on plant growth rate and water conditions. Adjust frequency based on observed plant health and signs of deficiency.
Does Flourish Potassium affect water parameters like pH or hardness?
No, Flourish Potassium does not significantly alter pH or water hardness. It is specifically formulated to deliver potassium without affecting other key water parameters.

Amanda McDonald –
My aquarium plants have shown much better color and growth since I started using Flourish Potassium. The yellowing in older leaves stopped within a week. Easy to mix and effective.
Melanie Langdon –
I noticed a visible improvement in plant vigor after a few weeks of regular use. The product is well-formulated and doesn’t cause any imbalance in my tank’s nutrients.
Stewart Watson –
Great for maintaining consistent plant growth. I use it every two weeks and my live plants are thriving without any signs of nutrient deficiency.