Pond Force™ Bio-Blocks Biological Sponge Media Size:8 Cubic Feet Bulk concentrated liquid blend that is

concentrated liquid blend that is put through a stabilization process to ensure a fresh

for a shelf life of up to two years

heavy metals or nitrite

Inlets WA-12 12" Acrylic Spillway 1000gph 1 1

For best results use when algae is actively growing

Pond Force™ Bio-Blocks Biological Sponge Media Size:8 Cubic Feet Bulk concentrated liquid blend that isPond 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