I had heard about using peroxide and food coloring as a way to find blood when tracking a deer. I mixed up a little and put it in a spray bottle. I did not have it with me when I shot my last deer but when I got home I sprayed some on my bloody arrow. It was 18 hours later and he blood on the arrows was dry. (Sorry for the poor picture quality) I used yellow food coloring but I think blue would also shot up well/
The bloody dry arrow
I sprayed the arrow and it was soon covered in yellow foam. Blood does not show up very well on a black carbon arrow but it sure did when I sprayed it.
You will still need a good light if using this at night and a light mist is all that is needed. Too much and it does not foam as much. Give it a try. When you have lost the blood trail and you are at your wits end, it might just find that spot of blood that will lead you to your animal.
