Savio SpringFlo Biological Filter Media Size:Full Roll These bases are hollow so

These bases are hollow so that they can be filled with sand or gravel

Controls a broad spectrum of algae: planktonic

1500 grit (#R72015)

For a sparkling clean and clear pond

attacking cloudy water at the source

Savio SpringFlo Biological Filter Media Size:Full Roll These bases are hollow soSavio Spring Flo Filter Media is the patented media that works even when dirty! Encourages better adhesion and proliferation of bacteria using a special formulation of polypropylene and calcium carbonate. The textured surface is embossed with millions of dimples to rapidly secure and develop beneficial microorganisms. It does not clog and it resists channeling and compaction in up flow or horizontal flow pressure filters. Easy to clean by shaking