Concentrated nutrient for long-term substrate.

Main Features:
• Long-term substrate supply: Long-term substrate fertilizer for freshwater aquariums.
• Nutrient reservoir: Contains all essential nutrients for plants such as iron and clay, storing and releasing nutrients as needed.
• Optimal enhancement for plant growth, which means reduced algae growth. Does not contain phosphates and nitrates.
• Use when setting up a new aquarium: Mix the nutrient substrate concentrate with the substrate, and cover it with a layer of washed gravel/sand.