Updated(Solved): the thing i clean is neutral on litmus riddle April 18, 2020Word Puzzleslitmus riddle, neutral on ltmus riddle, the thing i clean is neutral on litmus, the thing i clean is neutral on litmus riddleadminRiddle: The thing I clean is neutral on litmus.Who Am I ?Answer:Water Purifier.It cleans water which has neutral pH.Please Like us !! Share this:Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on WhatsApp (Opens in new window)