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Syrup-based Blood

Get a bottle of Karo Syrup (or any other light corn-syrup), add in red food coloring, a little blue, and just a touch of green. Obviously, most of the food coloring you use should be red. By experimenting with the amount of blue and green, you should be able to come up with some very realistic looking blood. However, this will not “run freely from a wound”, but it will do well for bloodstains, zombies, gunshot victims, etc.

MB2-based Blood

This blood formula is more realistic. As well, there’s no sugar and very little food in the MB2 formula so it’s probably less attractive to insects.

Flour Base:

7.5cc to 10cc plain all purpose flour per cup (250cc) of water. (7.5cc = 1/2 level tablespoon , 10cc = 2 level teaspoons) Mix flour into water completely (no lumps) before heating. Bring to boil then simmer for 1/2 hour. Stir frequently.

Let cool before adding food color. Stir in any surface scum. Makes a good base for stage blood. Slightly slimy. Fairly low surface tension. Soaks and spreads well.

One cup batch of MB2:

1 oz (29cc) Red food coloring (Durkee (R) brand or equivalent) 1/8 teaspoon (.6cc) green food coloring (Durkee (R) brand or equivalent) Add flour base described above to a total of one cup (250cc).

Note the following in regards to the MB2 formula:

* The shelf life is fairly short (few days) at room temperature.

* Blood does not go rank but ferments a bit and looses viscosity with time.

* I have not tested this formula for refrigerated or frozen storage.

* Blood temporarily stains skin but seems to wash out of cotton cloths OK.