Pool season kicks off this weekend, and public pools are doing what they can to keep them crypto-free.
In Plano, staff memerss at the city's six pools check the water every two hours for chlorine levels. But the main preps are done yearly.
But pool experts say parents need to play a big role in keeping crypto from spreading. Children with dirty diapers shouldn't swim in pools.
Hall said sick kids also shouldn't be swimming.
"I know it's a heartbreak not to be able to come to the pool, but please, if you're sick, don't come swimming," Hall said.
Last year, the parasite sickened dozens of North Texans and shut down several public pools and splash pads.