for purposes of sanitizing so no traces of blood can be found with special testing or equipment, there is no way to remove it all.
Yes. A troll will help you.
Call the police, they have a whole crew who will help you. Good luck.
I have a lot of blood on the carpet of my house. I also have it in the carpeting of the trunk of my car and some of my clothes. How do I effectively remove the stains? The sooner, the better. Not sure if it makes a difference but it's human blood.
