Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to find cat urine with a uv light [title] Buy a decent-sized uv or " fluorescent black " light. [step] Look for a long bulb (preferably longer than 12 inches) so you can cover more ground at once. Cheap bulbs with the housing included can be found at most hardware stores.

Ending1: Check the batteries before you move onto the next phase. [title] Disinfect the area with an ultraviolet diode. Ending2: [title] Turn off the uv or fluorescent lighting as soon as the source isn't visible. [step] Uv and fluorescent lights make mistakes that you will regret. Ending3: Even if you do not have to use them to find a urine-soaked object, they will still give you a good, well-lit view. [substeps] Don't find any tunnels in your backyard, swamps, forests, runoff areas, or any other extensive environment that involves stagnant bodies of water. Ending4: Although pet stores sell the lights as well, they're usually smaller and more expensive. They can also be purchased at a reasonable cost online, depending on how much time you have to wait around living with the odor.

Answer format: ending1/ending2/ending3/ending4