What ia a blacklight? How do you use it to find urine markings by a tomcat?
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A blacklight is also called a UV or ultraviolet light. To detect urine stains, shine the light close to the walls and floor in a darkened room. The urine stains will glow.
I think you can use one of those bug zapper lights too idk thou for sure.
I think you can use one of those bug zapper lights too idk thou for sure.
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