Pond Force™ Bio-Blocks Biological Sponge Media Tetra Pond With only two sources of

With only two sources of starch (flour as binder and wheat germ as a source of vitamins E and B)

Lifegard Aquatics Bio-Mate® Refillable Biological Filter Media Balls provides maximum surface area with the greatest possible mix of air and water

SKU UPC Code Description 510218 811262010801 EasySet Weighted Airline Tubing

or to upgrade your existing system

The Pondmaster® Bottom Drain for Pressure Filters enables you to add a bottom drain to any of these pressure filters

Pond Force™ Bio-Blocks Biological Sponge Media Tetra Pond With only two sources ofPond Force Bio Blocks polyester sponge blocks provide an ideal environment for the cultivation of beneficial bacteria. With over 500 square feet of surface area per cubic foot of Bio Blocks, bacteria will have plenty of room to grow and thrive. "1 Cubic Foot" quantity comes in 20" x 30" mesh bag "8 Cubic Feet" bulk quantity comes loose in box