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Though there is no such thing as a urine-detecting dye, you can purchase signs that prey upon the misconception that a urine indicator exists. The signs, which warn the pool is being monitored with a chemical 'wee alert', are believed to be an effective deterrent against urination in a pool, particularly with adult swimmers. Up Next. Up Next.
A urinalysis (UA) is a set of tests that detect cells, cell fragments, and substances such as crystals or casts in the urine. It may be used as part of a health exam or when a person has symptoms, and results can help detect a urinary tract infection, kidney disorder, liver problem, diabetes or other metabolic condition.