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Flourish Iron is a highly concentrated (10,000 mg/L) ferrous iron gluconate supplement. Iron is an important additive for generating new growth in aquarium plants.

• Nitrogen supplement for the planted aquarium
• 15,000 mg/L blend of nitrogen sources
• Provides nitrogen in both the nitrate form and the ammonium form.

This product is a safe and effective fertilizer for plants, but used in excess can contribute to algae blooms and poor water quality.

• Trace elements supplement for the planted aquarium
• Allows for more frequent dosing than a broad spectrum supplement without worrying about a build up of more slowly used components