Matala Hakko Air Diffusers with Included Base Package Pond Digger Beneficial Bacteria has

Pond Digger Beneficial Bacteria has over 1 billion colony forming units per gram

Some of these diffusers have been in operation for over 3 years without trouble or maintenance

Number of LEDs

Spray or Solid Pipe can be used above or below water

so it is not suitable for pond aeration

Matala Hakko Air Diffusers with Included Base Package Pond Digger Beneficial Bacteria hasMatala Hakko Base Air Diffusers are membrane air diffuser assemblies that feature heavy duty plastic bases with soft edges. These bases are hollow so that they can be filled with sand or gravel, eliminating the need for bricks and straps to get the diffuser to sink. Two sizes of bases are offered: the small base can accommodate one or two diffusers, and the large base can accommodate two or four diffusers. Heavy duty diffusers produce medium bubbles,