My concrete steps are becoming black,how do i clean them,please

  7 answers
  • Cin21825342 Cin21825342 on Jul 09, 2017
    Bleach and a good scrub brush is the least expensive method.

  • Dfm Dfm on Jul 09, 2017
    try simple green in bucket of water and a scrub brush. I used to have a scrub b
  • Dfm Dfm on Jul 09, 2017
    thanks cat....I used to have a scrub brush that would screw onto long broom handle. Works great.
  • Bren Bren on Jul 09, 2017
    I recommend a power washer. My concrete patio was the same way and a power washer did the trick.
  • Archie Archie on Jul 09, 2017
    Pressure clean or bleach.
  • Ama24734538 Ama24734538 on Jul 09, 2017
    bleach scrub hard you have mold growing
  • Joy Joy on Jul 09, 2017
    The most efficient & easiest way is with a power washer. You could use bleach/water mix & scrub, but the bleach could kill any nearby plants/grass. I love my power & convenient.
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