Savio SpringFlo Biological Filter Media Size:Full Roll Maintain their porosity after multiple

Maintain their porosity after multiple seasons of use and are easy to maintain

Do not apply Nature's Choice™ at any other rate than the rate prescribed above

and arms (where applicable)

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

For a sparkling clean and clear pond

Savio SpringFlo Biological Filter Media Size:Full Roll Maintain their porosity after multipleSavio 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