The Oase Booster Phosphate Binder Cartridge - for the BioStyle Hang-On Filter. The refill cartridge is easily and conveniently installed in the filter by means of drop-in installation. Excess phosphate, caused by feeding, can have an unfavourable effect on algae blooms. The phosphate binder cartridge can be used to reliably counteract an imbalance of trace elements and nutrients. Original Oase sparepart Phosphate remover for the BioStyle Hang-On filter Easy installation due to drop-in installment Regular exchange recommended

GRP:PET