Ultrasoundcanworkonmostofthemorecommontypesofalgaefoundinpondstoday.Morespecifically,ultrasoundworksverywellandquitequicklyonplanktonicalgae,orgreenwaterissues.Sincethedensityofthisalgaegrowthisverylight,thesoundwavescanpenetrateandmovethroughthealgaequiteeasily.Usuallyinamatterofafewdays,thegreenwatercanbeeliminated。