Clear karo syrup
Few drops of red food coloring
Drop of yellow food coloring
1Drop blue food coloring( this makes it darker and adds realism)
Note* for zombie blood or older blood add more blue.
Chocolate syrup can also be substituted to darken and add a chocolatey tone!
Directions1.) Add you corn syrup first
2.) followed by the red food coloring
3.) And lastly, adjust your hues w blue till you get your desired affect