Helix Super Strength Beneficial Bacteria has over 100 billion colony forming units per gram
Res-Cubes waterfall blocks
Comes complete with spring check valve
Great for illuminating fountains
Octagonal design brings strength and prevents distortion
EasyPro RealRock™ Landscape Boulders Crystal Clear Helix Super Strength Beneficial BacteriaRealRock Boulders are ideal for concealing air pumps, water pumps, pond filters, ultraviolet clarifiers, lighting transformers and other equipment. These commercial grade faux stones are weather resistant, durable, lightweight and easy to move. The color and texture is part of material, not painted on, so it will not fade or crack. Made of recycled material. Includes vent, additional vents available by special order SKU Dimensions Color Vent