Oase BIOSTYLE 20 GREY Goldfish Being the third most abundant

Being the third most abundant ion in natural seawater behind sodium and chloride

Stability™ simply becomes more effective

The system combines mechanical filtration

This listing includes pieces that are pre-anchored onto pieces of aquarium safe slate

Oase BIOSTYLE 20 GREY Goldfish Being the third most abundantThe BioStyle line of compact power filters is perfect for marine and freshwater aquariums. BioStyle 20 contains one disposable, multi stage filter cartridge and a 30 ppi biological filter foam for increased biological mechanical efficiency. The Multi Stage Cartridge includes a filter foam, three chemical media mix and filter fleece. The filter foam traps debris and waste and also offers surface area for beneficial bacteria. The filter media mix