Posted: August 13, 2019 at 8:42 pm TWG Source The Eternal Lie of the Pools That Turn Blue If You Pee in Them | MEL Magazine If you pee in the pool, it’ll go blue! There’s a special dye in there, designed to detect urine, and it’ll billow around you in… Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.