Hydrogen peroxide? Cool. Please enlighten me. I think you may have passed those mucous tubes Dr. Kelley spoke of in "One Answer to Cancer" (in the coffee enema part). FREE online btw.
They can be black/clear/brown whatever. But gen consensus is
You think you've passed your intestines cause there's maybe a
kind of imprint. My guess is they become hardened and almost
make a mold of the inside of the Sm intestine. They can be plastic-
like & block nutrient absorption.