JBL Clearmec plus, Filter media to remove nitrite, nitrate and phosphate from the aquarium water, 450g

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 the water: counteracts excessive algae growth 2 x 300 ml, sufficient for use in 150 to 300 L fresh water Contents: 450 g, 2 x 300 ml, Incl. net bag, clip