Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet Reapply throughout the season monthly

Reapply throughout the season monthly

3 year shelf life

While many types of aeration tubing float to the surface

Arbor with 4' Swing

Lifegard Aquatics Chemical Filter Modules provide excellent chemical filtration for aquariums

Atlantic Water Gardens Bio-Rocks Filter Media Size:0.50 Cubic Feet Reapply throughout the season monthlyAtlantic 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