Flourish Iron is a highly concentrated supplement (10,000 mg/L) of ferrous gluconate. Plants can benefit more from Flourish Iron because ferrous gluconate is in the ferrous form, meaning they do not need energy to reduce it.

Main Features:

• Highly concentrated iron source (10,000 mg/L) for planted aquariums
• Ferrous gluconate
• Ferrous gluconate is more suitable for foliar feeding compared to iron-EDTA

Directions:
Use 1 capful (5 ml) for every 200 liters (50 US gallons) or as needed to maintain approximately 0.1 mg/L of iron. For smaller doses, please note that each cap thread is approximately 1 ml.