Poly-Bio Marine Poly Filter Bio Media Aquarium Filter Media Pad 12"x 12" Maintenance 2-Pack (A189)*

2-Pack (A189)*

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

IceCap 1K Gyre Directional Cage Set (A & B) Part # IC-1KFC

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Poly-Bio Marine Poly Filter Bio Media Aquarium Filter Media Pad 12"x 12" Maintenance 2-Pack (A189)*The 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