Grout on shower base

Discussion in 'Shower & Bathtub Forum & Blog' started by 480sparky, Nov 15, 2007.

  1. 480sparky

    480sparky In the Trades

    Oct 8, 2007
    Electrical Contractor
    I had some tile installed in a shower, and while the tile work is fine, there's dried grout on the shower base.

    Any ideas on how to clean it off without ruining the (plastic) base? The base is textured, if that makes a difference.
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    Assuming it is a cement based grout, try some plain will disolve the calcium. Limeaway may do it. This shouldn't hurt a plastic base, but check the manufacturer's cautions or warnings to see if a mild acid is a problem. If it is a sanded grout, be careful about rubbing...the sand you wash out will scratch the plastic. Maybe take a paper towel, saturate it with the liquid and let it sit overnight covered with some plastic so it doesn't evaporate. I do that if I didn't clean my mixing bucket really well. I'll have a slurry of sand and cement particles by morning.
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