Poly-Bio Marine Poly Filter Bio Media Aquarium Filter Media Pad 12"x 12" Maintenance Red Sea Reefer 900 60hz

Red Sea Reefer 900 60hz Protein Skimmer Pump Replacement Impeller Part # R50541

Each plant features a realistic faux-driftwood base

Plugs into any Sense Port on a HYDROS device

Two Prong electrical cord plug

Poly-Bio Marine Poly Filter Bio Media Aquarium Filter Media Pad 12"x 12" Maintenance Red Sea Reefer 900 60hzThe POLY FILTER is non toxic and harmless to biological filtration because it allows a sufficient amount of ammonia to reach the biological filter in order to sustain the bacteria culture. The POLY FILTER provides a supplemental means for removal of ammonia when the biological filter is unable to break down the excess ammonia and its concentration increases rapidly. Then the POLY FILTER adsorbs the excess ammonia while the biological filter readjusts