Pond Force™ Bio-Blocks Biological Sponge Media Size:8 Cubic Feet Bulk heavy metals or nitrite

heavy metals or nitrite

Sludge digesting bacteria that consume waste

The Pellet Size is small

SKU Description 773380 3/8" x 100' SureSink Tubing Kit (Includes Tubing and Fittings) 773385 3/8" x 500' BULK SureSink Tubing (No Fittings) 773300 3/8" SureSink Tubing Fitting Kit 773580 5/8" x 100' SureSink Tubing Kit (Includes Tubing and Fittings) 773585 5/8" x 500' BULK SureSink Tubing (No Fittings) 773500 5/8" SureSink Tubing Fitting Kit (1 Set) 773058 5/8" SureSink Tubing Fitting Kit (10 Pack)

Stops algae growth and works on string algae

Pond Force™ Bio-Blocks Biological Sponge Media Size:8 Cubic Feet Bulk heavy metals or nitritePond 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