Red tides are caused by high concentrations of a particular algae in the water.
Red tide creeps into Pinellas County's waters, Outdoors
Hurricane Ian runoff feeding red tide bloom in South Florida
Florida issues health alert over toxic algae called 'red tide' that causes irritation and cough
Red Tide Resources Sanibel-Captiva Conservation Foundation
Red Tide vs. Marine Animals – And the winner is…, Opinion
Toxic red tide causing burning eyes and respiratory distress in Florida - Yahoo Sports
Floridians need a constitutional right to clean water - Bay Soundings
Mom Continues to Ask About Red Tide – Kraken & Friends
How does red tide impact beachgoers? - Mayo Clinic News Network
Understanding the 2017-2018 Florida Red Tide - UF/IFAS Extension
What Is Florida's Red Tide? Cause, Map of Contaminated Waters
Water quality health advisories, tests results for Treasure Coast