<prompt> What should be the concentration of hydrogen peroxide when used for home bleach technique?3 - 7.57 - 1015 - 2535  <response>: Hydrogen peroxide - H2O2 can be used alone or mixed with sodium perborate into a paste for use in the walking bleach.H2O2 concentrations ranging from 3 to 7.5 are used for home bleach.Textbook of Endodontics Nisha GARG 3rd ED 