Pond Force™ Bio-Blocks Biological Sponge Media Tetra Pond Sludge digesting bacteria that consume

Sludge digesting bacteria that consume waste

spirulina and canthaxanthin

and every 8 ounces treats 1000 gallons for 12 months

Includes tubing strain relief and fittings to connect to different sized air tubing

Pond Force™ Bio-Blocks Biological Sponge Media Tetra Pond Sludge digesting bacteria that consumePond 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