Seachem, Flourish Potassium, 8.5 oz (250 mL)
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We started tracking this price on 25 Oct 2026. The chart fills in as prices change, so you can see whether today’s price is a good one.
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About this product
Product Description Flourish Potassium contains 50,000 mg/L of potassium suitable for the natural planted aquarium. Potassium is one of several elements that are vitally important to maintaining a vigorous level of growth in a planted aquarium. Potassium can become depleted in a rapidly growing system or when the source water has a low mineral content. In these cases potassium could become the limiting factor to growth. Use Flourish Potassium to prevent potassium depletion (signs of which include yellowing in older leaves) and maintain the highest level of growth. Product Benefits Ingredients Ingredients: Potassium Sulfate. Suggestions Use Instructions: Use 1 capful (5 ml) for every 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 in older leaves which include: chlorosis (yellowing), necrosis …
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