Medaka Filter Bio Block

Biological filter block for Medaka bowls and aquaria.
Provides clear and healthy water for Medaka and other small fish.

Features:

• Open structure for optimal bacterial growth and biological filtration
• Reduces harmful substances such as ammonia and nitrite
• Keeps water clear and healthy
• Safe for small fish and shrimp
• Easy to clean
• For water volumes up to 50 litres