[PF ProFeed] Ceramic Ring Aquarium Biological Filter Medium for Beneficial Bacteria

BIOLOGICAL FILTER MEDIUM FOR FRESHWATER AND MARINE AQUARIUM Features: Suitable for freshwater, shrimp, pond, planted and marine aquarium systems. Extremely porous ceramic media for efficient biological filtration. Provides high surface area for efficient colonization of beneficial bacteria Hollow design effectively distributes water flow Allows massive colonies of beneficial bacteria to grow on and inside each ring Acts as a pH buffer to avoid fluctuations in water pH Breaks water molecules and increase dissolved oxygen Breaks down and removes ammonia and nitrite Removes toxic substances and heavy metals Maintains healthy environment for fish Reduces need for water change Size: 500g 1000g