Algaecides kill toxic algae blooms, but are they safe and effective long-term?

The South Florida Water Management District has used Lake Guard Oxy to kill toxic algae since 2021, but only just began to study whether it's safe for the environment.

“Our concern is how it affects the other plankton algae communities,” said Stuart-based Florida Oceanographic Society Executive Director Mark Perry. “You wouldn’t want to do it in an estuary or shallow area where shellfish could possibly be affected by it.”

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