Better Health Channel
  • Most algae are harmless and an important part of the natural ecosystem.
  • Some types of algae produce toxins that can be harmful to people and animals.
  • Where these harmful algae grow rapidly and accumulate in a water environment, it is known as a harmful algal bloom.
  • It is difficult to tell the difference between a harmful algal bloom and non-harmful algal bloom.
  • To be safe, people and pets should avoid water affected by algae.

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Reviewed on: 18-07-2017