Filter media to remove nitrite, nitrate and phosphate from the aquarium Water.
• Removal of nitrite, nitrate and phosphate from the aquarium: filter medium for the use inside aquarium filters.
• To use: material is already packed in two filter bags. Insert into filter.
•Withdrawal of nutrients from theWater: counteracts excessive algaegrowth.
• 600ml for 150 to 300Litres freshwater.