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Posted in Marine Worms Parasite Worms Round Worms

Noodle-Like Gray Worms in Swimming Pool May Be Roundworms

“I just found these after vacuuming my pool” says this reader about a tangle of gray worms pictured below in the photograph our reader sent us. “They are quite long and active” and are “at least two inches” in length. “What are they?” our reader asks.