Poly Filter - 4 x 8 Inch Refugium Lighting It is suited to compatible

It is suited to compatible sump returns

Freshwater reservoir: Sold separately

Grid 100 - 0

and planted freshwater displays

Nutrient Management Notes

Poly Filter - 4 x 8 Inch Refugium Lighting It is suited to compatiblePoly Filter 4 x 8 Inch Poly Filter 4 x 8 Inch is a specialty chemical filtration pad from Poly Bio Marine for freshwater and saltwater aquariums, designed to remove a wide range of dissolved contaminants from aquarium water. Poly Filter Chemical Filtration Pad Poly Filter is made from a patented material bonded to a synthetic matrix and is used when aquarists need more than basic mechanical filtration. It can help remove excess organics, medications