Main Fertilizer for Freshwater Aquariums (7 Fertilizer Balls).

Key Features:
• Essential Care for Plant Roots: Specially produced clay balls, loaded with nutrients, for freshwater aquariums.
• Nutrient Storage Capacity. No Deficiency Symptoms: Important trace elements like iron and minerals.
• Optimal Plant Growth Enhancement means reduced algae growth. Free from phosphates and nitrates.
• Strong root formation in plants is a sign of high nutrient absorption through the roots.