Evolution Aqua Duo Pack: Pure Pond Bomb and Pure Sludge Bomb PUREPBSLDUO Bulk Mini and Small sizes are

Mini and Small sizes are vented with a small cluster of vent holes making them more suitable for covering air pumps

So effective that it can convert the digested waste for 3 pounds of fish food each day

Optional bottom screen available for all sizes (mid-2009 models and newer)

Built to order

Designed for underground applications Direct Burial Airline has a rigid wall making it highly resistant to deforming and crushing

Evolution Aqua Duo Pack: Pure Pond Bomb and Pure Sludge Bomb PUREPBSLDUO Bulk Mini and Small sizes areShips Free! Includes (1) Pure Pond Bomb and (1) Pure Sludge Bomb! The Evolution Aqua Pure Pond Bomb is a fast acting, concentrated form of Pure Pond, Evolution Aqua's award winning bacterial product. It is ideal for use in Koi ponds, ornamental ponds, self contained water features, or ponds without conventional filtration. The Pure Pond Bomb is a unique combination of beneficial bacteria and enzymes that quickly clean up organic waste and break down