JBL The 7 Balls

Root Fertilizer for Freshwater Ponds (7 Fertilizer Balls).

Main Features:
• Primary plant root care: Specially produced clay balls, loaded with nutrients, for freshwater aquariums.
• The ability to store nutrients. No deficiency symptoms: Important trace elements such as iron and minerals.
• Optimizing plant growth means minimizing algae growth. No phosphates and nitrates.
• The formation of strong roots in plants is a sign of high nutrient uptake through the roots.