Ista Bio-Sponge Filter Material System - LARGE / SHORT - Biological Filtration Invertebrate Accessories Hollow Stump with Acorn and

Hollow Stump with Acorn and Scrat like Squirrel

The durable GFRC construction stands up to the elements and ensures years of enjoyment

The floating food sticks are specially formulated to soften quickly while maintaining their shape

That will keep the clip in place

1 ball of Pond Shock will treat a 2500 gallon pond for 1 month

Ista Bio-Sponge Filter Material System - LARGE / SHORT - Biological Filtration Invertebrate Accessories Hollow Stump with Acorn andA sponge filter uses the pressure caused by bubbles of air from an external air pump, or a water pump to draw water through the sponge. As water is drawn through the lift tube or pump, it is replaced by water entering the sponge. The surface of all the bubbles or pockets in the sponge provides a bed for the beneficial bacteria of a biological filter. The bacteria help to break down harmful waste (ammonia and nitrite). Mechanical filtration: Provides