Use betadine to clean the blood stained coat rather than hibi, it gets it out in seconds! no need for scrubbing either.
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Hydrogen peroxide ,this is excellent to r/o blood from fur,and from fabric
NaCl is good for blood stains as well, especially if you have an open drip/flush bag available
I like just using cold water on sopping wet white roll, then dry off with more white roll. Warm water coagulates the blood to the hair, cold water acts like a magnet! Ta da!