How can I treat/clean walls so I don’t have to repaint them?

Diane
by Diane
  2 answers
  • William William on Jan 16, 2019

    Use Tsp, trisodium phosphate to clean them.

  • V Smith V Smith on Jan 16, 2019

    If you wash them do it from the bottom up. If you go top down you risk having clean water run over dirty wall leaving a clean track that stays even after you clean the lower section. Change your wash water and your rinse water often.