Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet Its concentrated formulation contains added

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

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

It is durable enough to be hauled in a truck

Beta Carotene

Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet Its concentrated formulation contains addedAtlantic 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