Unless you've used waaaaay too much chlorine it's more likely he just couldn't get out and swam around until he was exhausted and drowned.That's a Northern Brown snake aka Dekays.I used to have tons of them in my backyard and under my front porch.
Yeah,that could be as well.Commonly known as a soggy nope rope.
Unless you've used waaaaay too much chlorine it's more likely he just couldn't get out and swam around until he was exhausted and drowned.