The Bottom Line
Powered by a small AC motor, this unit is tank rim mounted and hangs a powerhead 4.5" below the rim of the tank, rotating it in a 90 degree arc, every 30 seconds.
Pros
- Can use most powerheads.
- Submerges powerhead below the surface.
Cons
- Limited vertical adjustment.
- Pricey.
Description
- Powered by a small AC motor, located inside a 5.5" long, 3" wide 2.5" tall black acrylic box.
- The box mounts on the frame of the aquarium with an acrylic bracket with 4 nylon screws.
- A powerhead is mounted on a paddle which is attached to a plastic shaft, suspended from the box.




