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You can download these images and use them on your websites, social media, and blogs. Use these graphics with sample social media messages to increase awareness about harmful algae and cyanobacteria (blue-green algae).

Stay out of water if you see scum or changes in water colors
HABS Going in water with Cyanobacteria
Cyanobacteria can be deadly for dogs
HABS Cyanobacteria can be deadly for animals
HABS you can't always see harmful cyanobacteria
HABS Harmful cyanobacteria are a one health issue
HABS - Know before you visit the water badge thumbnail
Check for red tide advisories before you visit the ocean or coast! badge thumbnail
If it's green, don't go in.
When in doubt, keep pets out!
What's in the water?

Stay Healthy: Avoid harmful algae and cyanobacteria (blue-green algae)

Harmful algae and cyanobacteria (blue-green algae) can kill animals

Page last reviewed: October 21, 2021
Content source: Centers for Disease Control and Prevention