C1068 Mysterious Woman
"It's actually easy to deal with blood stains. The most primitive method is to use vinegar to wash the floor repeatedly. It's best if it's hot, but the effect is average. Whether or not it can be illuminated by the UV light depends on luck. Also, if there's blood on the surface, you can scrape it off. In the most straightforward way, I recommend you to use deoxidizer
