Has anyone used this? and is it worth the $12-$15? or is it a gimmick and a piece of junk?
Create a beneficial wave effect for plants and invertebrates with the Hydor Flo Rotating Water Deflector. This inexpensive wavemaker easily attaches to most powerheads or water outlets. 360° rotation is powered by the water flow of your pump, filter or powerhead. Min-max waterflow required gph 80/310. PUMP NOT INCLUDED