Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet 100% polyester media provides long

100% polyester media provides long cleaning cycles resulting in longer life

unique patina that makes each bowl one-of-a-kind

5" Bio-Balls Filter Media

Far less work to excavate and move than rocks

Its concentrated formulation contains added enzymes to help break down sludge and clean filter pads

Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet 100% polyester media provides longAtlantic Water Gardens Bio Rocks filter media are an effective, lightweight biological media. With all the surface area but 25% less weight than lava rock and half the weight of gravel, expanded clay Bio Rocks are the more stable, less abrasive alternative to heavyweight bio media! Comes with a 5 year warranty. SKU UPC Code Description BB0500 727429001103 Bio Rocks, 0. 50 cubic feet Bulk size ships by truck freight, which requires that you be present