Flourish Potassium contains 50000 mg/L of potassium suitable for naturally planted aquariums. Potassium is one of several elements considered vital for maintaining an active growth level in a planted aquarium.

Key Features:

• Potassium supplement for planted aquarium
• High concentration (50000 mg/L)
• Contains no phosphates or nitrates, making it ideal for use with Flourish Nitrogen and Flourish Phosphorus

Instructions:
Use one capful (5 ml) for every 125 liters (30 US gallons). This dose raises potassium levels by 2 mg/L. Repeat 2-3 times a week or as needed in response to signs of potassium deficiency in older leaves, which include: chlorosis (yellowing), necrosis (death/browning), small holes in leaves, and weak stems and roots.