I've found a way to take blood out of CS:GO matches that I host (Friend Lobbys and Offline) but when I play multiplayer the blood is there. Does any body know. It is also effective in removing blood capillaries blockages. Before this the patient's abdomen is rubbed (dry) well and a wet towel is kept on his head. Visa mer. how to get blood out of carpet, cleaning tips, Photo credit Just used this First, loosen up dried blood with water mixed with a mild detergent.