I also learned that quick first aid for a cut while fishing is to urinate on the wound. ..
Well it should be sterile. Hopefully.
I have seen deck hands use straight bleach.
That is a common practice here in the Boston area. - Tom
Everyone I know even keeps bleach on their little bass boat-just a river and lake here, no ocean, but cuts from fishhooks, fins, etc still get doused with bleach...