Filter the water to remove nitrite, nitrate, and phosphate from the aquarium water.

Main Features:
• Removal of nitrite, nitrate, and phosphate from the aquarium: A filtration medium for use inside aquarium filters.
• Usage: The material is already packed in two filtration bags. Insert them into the filter.
• Nutrient extraction from water: It counteracts excessive algae growth.
• 600 ml for 150 to 300 liters of freshwater.