Urinary tract infections (UTIs) are common in our veterinary patients, and can sometimes be tricky to diagnose and treat appropriately. An aerobic urine culture is the gold standard, allowing identification of the infectious agent and a sensitivity profile to direct treatment; however, this test takes several days to get back, and treatment (in other words, appropriate use of antibiotics!) is often required in the meantime. This veterinary podcast reviews the importance of Gram staining urine versus evaluating an unstained urine sediment exam for the detection of bacteriuria in dogs with suspected UTI. Stain your urine!