Flourish Potassium™ contains concentrated levels of potassium suitable for sensitive natural planted aquariums. Potassium is one of several elements that are vitally important to maintaining growth in a planted aquarium. Use Flourish Potassium™ to prevent potassium depletion (signs of which include yellowing in older leaves) and maintain the highest level of growth. Flourish Potassium™ is unique in the sense that it is derived from potassium sulfate, allowing the user to adjust potassium levels without affecting nitrogen or phosphorus levels. Potassium supplement for planted aquariums Highly concentrated (50,000 mg/L) Will not affect nitrogen or phosphorus levels in the aquarium Ideally for use in delicate planted aquariums

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