TetraPond® Pond Block®, 4 Count and 50 Count Containers Size:Fifty Pack Anjon disc-shaped airstones are specifically

Anjon disc-shaped airstones are specifically meant for 3/8" weighted airline tubing

Air blower weighs additional 12 pounds

4oz 98948 742575989488 Dry Beneficial Bacteria

all of the filter media is utilized for maximum filtration

TetraPond® Pond Block®, 4 Count and 50 Count Containers Size:Fifty Pack Anjon disc-shaped airstones are specificallyTetraPond Pond Block Algae Control helps clear cloudy water and remove algae from ornamental ponds and fountain water. Pond Block is limited for use in backyard homeowner ponds and water fountains. For containerized ponds only. Not recommended for use with live plants. EPA registered.