Atlantic Water Gardens Bio-Rocks Filter Media Farm Innovators but you will also reap

but you will also reap the other benefits of a biologially healthy pond: sparkling water

The Ultima II uses a patented

Easy to Maintain

nitrite and nitrate

Atlantic Water Gardens Bio-Rocks Filter Media Farm Innovators but you will also reapAtlantic 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