The Challenge In July 2011, the golf course pond was treated with LG Sonic. The water surface was covered by mats of filamentous algae. The rocks within the pond were covered by Dydimo sp., an invasive (diatom) algae that is an emerging problem in Northern America. One LG Sonic e-line was installed to treat the waterbody. The unit was connected to a local power source. The LG Sonic e-line emits specific ultrasonic parameters in order to co

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