Saltwater Ultrasonic Algae Control

We often get questions about how the ultrasonic technology works in marine or saltwater applications.  We recently got the note below from Rick Eager, Senior Fisheries Biologist at Swimming Rock Fish & Shrimp Farm. Dear AlgaeControl.US, Just a short note to let you know how well the sonic unit took care of my shrimp ponds algae crash cycle.  Stopped It Dead! My shrimp pond in late ...