Stopping algae blooms with bacteria-busting buoys

Algae blooms make a pond’s surface shine in mesmerizing green hues. But if the microorganisms responsible are cyanobacteria, they can also release toxins that harm humans and wildlife alike. A team reporting in ACS ES&T Water has designed a “set it and forget it” system for distributing algaecide using specialized buoys tethered at the site of a bloom. In tests, the buoys removed nearly all cyanobacteria without the need for frequent reapplication.



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