How to prevent black mold from returning on a cement patio?

Dol31949727
by Dol31949727

It has been cleaned by pressure washing......

  2 answers
  • Sally Sally on Jul 10, 2018

    There’s a product called “wet and forget”. I got it at Lowe’s. Spray it on and walk away. It’s amazing! If patio is really bad you might have to do it a second time. I used to pressure wash - this is so much easier and effective.

  • Dol31949727 Dol31949727 on Jul 10, 2018

    Thank you very much..... I shall try it!